What is the plot?

A massive, horned Carnotaurus springs from a rocky outcrop and charges into an Iguanodon nesting site, scattering adult Iguanodons and shattering the cluster of eggs. In the chaos a single egg survives the attack; an opportunistic Oviraptor snatches that lone egg and carries it away. The Oviraptor flies toward a lush tropical island populated by prehistoric lemurs and deposits the shell there. On the beach the egg hatches and a small, green iguanodontid emerges. Plio, the daughter of the lemur patriarch Yar, picks up the hatchling and, defying her father's misgivings, names him Aladar. Plio raises the young dinosaur alongside her own daughter, Suri; Yar objects at first, insisting the lemurs should avoid involvement with the strange creature, but Plio persists and Aladar grows up as a member of the lemur family.

Years pass. Aladar is now an adult dinosaur integrated into the lemurs' daily life. The lemur community gathers for a lively mating ritual led by the energetic Plio and her brother, the awkward adolescent Zini, who fails to attract a mate during the display. The celebration ends and the group disperses, but moments later a blazing object slams into the ocean beyond the island. A meteorite the size of a mountain explodes on impact and sends an enormous shockwave across the sea. The blast throws up steam and ash that strike the island with explosive force: trees uproot, shorelines heave, and tidal surges sweep across the sand. The island's vegetation collapses under the new heat and shock; Plio, Yar, Suri and Aladar scramble to higher ground, rescuing what they can as the island disintegrates around them. The lemurs suffer catastrophic losses; many of their number perish in the disaster. With their island shattered, the survivors--Plio with her children, Aladar, Yar and the remaining lemurs--enter the water and swim toward a distant mainland, carrying grief for the kin they cannot save.

When the group reaches the continent, they climb onto scorched land where the meteor's fallout has set forests and plains alight. The landscape is a blackened desert. While traversing a sunbaked plain, Aladar and the lemurs encounter a hunting party of Velociraptor. The pack, swift and coordinated, leaps from cover and charges the small group. The lemurs and Aladar run for safety; the velociraptors sprint across scorched ground and circle to flank them. Aladar dodges and drives the lemurs toward a nearby congregation of dinosaurs--a ragged, multi-species herd of refugees heading in a single direction. Aladar convinces the herd to accept the lemurs and their small party; the larger herd's leader, a blunt, domineering Iguanodon named Kron, forces Aladar, Plio's family, and the elderly dinosaurs to fall to the back of the line, where they will have to follow rather than set the pace.

At the rear of Kron's column, Aladar forms close bonds with several older dinosaurs. He befriends Baylene, a towering, ancient Brachiosaurus who shoulders tree trunks aside with languid strength; Eema, a matronly Styracosaurus who carries a pet Ankylosaurus named Url; and Url himself, who plods along with heavy clubbed tail swings. The group endures days of travel across burned plains and rocky passes with Kron imposing brutal rules: he jostles his way to the front, demands that the herd leave the weak behind, and berates any animal that slows the march.

The herd walks until they arrive at the bed of a lake that appears to be completely dry--salt crusting the mud and the surface fractured into jagged ridges. Kron declares they will march onward to a place he insists is safe, the so-called Nesting Grounds, and orders the weaker members to keep moving or be abandoned. Aladar cannot accept the sight of the thirsty herd suffering on the cracked lakebed; he notices a dampness beneath the surface and believes water lies buried below. He persuades Baylene to help him dig. Baylene lowers her great neck and uses her massive forequarters to tear at the crust while Aladar scrapes with his hands and claws. After a long struggle they puncture the dry crust and a column of cool, clear water wells up from below the surface, splashing into the hollow and wetting the throats of the waiting dinosaurs. The herd drinks in relief and the immediate threat of dehydration recedes.

Kron's younger sister, Neera, watches Aladar's act of compassion. She is impressed by his willingness to risk labor and discomfort to save others and begins spending time near him; their friendship grows into mutual attraction. Kron, however, sees the admiration Aladar earns from the herd as an affront to his authority. He feels threatened and anxious about his primacy among the Iguanodons; he views Aladar's acts of goodwill as challenges to his rule.

Unseen in the distance, two Carnotaurus have been tracking the herd. The predators stalk through drifted ash and broken trees with patient menace. They ambush a scouting party sent by Kron, a group led by Kron's hard-nosed lieutenant Bruton. The Carnotaurus erupt from cover, their jaws snapping and their horns slashing. Bruton fights to keep the scouts alive; when he escapes, he does so bleeding and severely wounded, limping back to the main column to warn of two large predators on their trail. Kron listens but answers with calculation: he orders that the lemur family, the elderly dinosaurs and the gravely injured Brut on be shoved to the rear and then abandoned deliberately, reasoning that the slow will reduce the herd's mobility and that sacrificing the weak will save the majority.

As storm clouds gather, Aladar's group--Plio, Suri, Yar and the elderly trio with Bruton--seek shelter in a narrow cave system. Rain lashes the landscape and washes heat and ash into rivers; the group huddles on the cave's damp floor. At night, the surviving Carnotaurus picks up their scent and smashes into the cave with predatory force. The predator slams into stone and rears its head to snarl as it lunges at the smaller herd. Bruton, his body already torn from the earlier ambush, makes a desperate decision: he charges toward a fractured rock ceiling and pushes with all his strength at a precarious boulder. Bruton knocks support stones free; the roof above the attacking Carnotaurus collapses in an avalanche of rock. One Carnotaurus is crushed beneath the fall, its body pinned and battered by the rockfall that Bruton dislodged. Bruton sacrifices himself--caught in the collapse as well--and dies in the cave; the other Carnotaurus, seeing its companion entombed and disoriented by the sudden collapse, staggers back and flees into the storm-battered night. The cave echoes with the dust and the final, harsh silences of Bruton's last breath.

After the attack, the surviving group presses deeper into the cavern to escape further pursuit. They come upon a dead end where the tunnel terminates against a solid wall carved by time. Aladar's shoulders slump with exhaustion and a moment of despair; he sits down and questions whether they will ever find a safe refuge. Baylene rebukes his resignation and steps forward. Using the full force of her massive neck and shoulders, Baylene slams into the earthen barrier and begins to demolish it. She rips away a section of the wall with repeated, powerful shoves until a gap opens through which sunlight streams. Beyond that opening lies a valley unlike the blasted plains behind them: dense vegetation, green meadows, and water glinting in the distance--the Nesting Grounds, untouched by the meteor's devastation.

The group moves into the lush valley, tasting relief. As they pass the threshold, Eema, scanning the usual entrance to the valley, realizes something is wrong: a towering landslide has sheared away the path that normally connects this hidden refuge to the outside world. The regular route has been closed by rubble and steep cliffs; creatures trying to climb over that collapse would face a sheer drop on the other side. Alarmed, Aladar bolts back out to warn Kron and the rest of the herd, rushing across the exposed, sunlit rubble to reach the animals who are still making their way toward the valley.

Kron, determined to maintain control, has already started ordering his herd to scale the collapsed slope. He assumes there is a path and asserts that any warning amounts to cowardice or challenge. When Aladar reaches him and explains the danger--the cliff edge beyond the rubble--Kron interprets the warning as a provocation against his leadership. Kron and Aladar face off, their bodies bristling; Kron shoves and bellows, Aladar retorts and tries to block the line. The confrontation escalates into a physical fight in which the two Iguanodons clash with open aggression, each throwing weight and horned frills to gain the upper hand. Neera intervenes when the scuffle grows vicious: she pushes between them and pulls Aladar away. Seeing Neera's defiance and the herd's shifting loyalty, an increasing number of dinosaurs chooses to follow Aladar and Neera rather than stay under Kron's command. Upset at losing control, Kron refuses to join them; instead he insists on proving he can climb the rubble and leads a group of followers up the slope, attempting to cross to what he thinks is a safe place beyond. He presses on, aloof and stubborn, ignoring Aladar's pleas.

While the herd reorganizes under Aladar's leadership, the surviving Carnotaurus--the predator that escaped the cave collapse--bounds across the plain and charges toward the assembled group. It slams into the line of dinosaurs in a furious, single-minded assault. Aladar recognizes the threat and quickly organizes the animals; he positions the herd so their numbers and combined weight can deter the carnivore. The herd forms a defensive line and confronts the Carnotaurus together, stomping and jostling to intimidate the attacker. For a time the predator backs away from the massed opposition, but then it turns and heads up the slope after the isolated Kron, who is still attempting to climb and gets separated from the safety that Aladar's group now occupies. The Carnotaurus, drawn to the solitary, horned Iguanodon, leaps and rips at Kron in a brutal, close-range assault. The predator's jaws sink into Kron's flank and neck; it slashes with its horns and claws and the great Iguanodon sustains severe injuries. The carnivore's attack leaves Kron mortally wounded--his breathing ragged, blood staining his frill--as he staggers under the assault.

Aladar and Neera do not stand by; they charge up the slope to reach Kron and the attacking beast. Aladar drives forward, using his weight and the herd's support to push the Carnotaurus back toward the unstable ground at the top of the rubble. The predator fights fiercely, thrashing and lunging to avoid being forced into a precarious position. Aladar maneuvers, driving the Carnotaurus nearer the edge, and with a final, forceful shove he sends the predator stumbling onto unsupported earth. The ground crumbles beneath the Carnotaurus' feet as the rubble gives way; the creature tumbles over the lip and plummets down the collapse, its body bouncing and tumbling until it strikes rock and vegetation far below. The fall kills the Carnotaurus; its body lies broken at the bottom of a ravine, a silent end to the threat that has stalked the herd. Kron, however, does not survive his wounds. His injuries from the Carnotaurus' assault are fatal; he weakens and then collapses in pain, and despite Aladar and Neera's presence he dies of the wounds the predator inflicted.

With Kron dead and the immediate predator threat neutralized, Aladar, Neera and the rest of the assembled dinosaurs move into the Nesting Grounds. The valley offers space, water and vegetation sufficient for feeding and breeding. The herd settles in, establishing a safer, more cooperative community under Aladar's informal guidance and Neera's companionship. The old animosities fade as animals pair and nest in the fertile valley. Time passes: seasons shift, eggs incubate, and new life hatches. In one sequence, a clutch of eggs cracks open and a new generation of dinosaurs emerges, including offspring born to Aladar and Neera. The lemurs, too, wandering the valley, discover other members of their species--small groups of lemurs who had also survived the disaster and migrated to this refuge. Plio and Suri reunite and embrace these newly found kin. The film's final moments show the hadrafted community of dinosaurs and lemurs living together in the Nesting Grounds: Aladar and Neera's children exploring beside a pond, elderly Baylene looming near saplings she can eat, and the lemurs moving freely among their own kind again. The camera lingers on the green expanse, then pulls back as the mixed herd settles into its new home, a refuge built through sacrifice, leadership, and the losses endured along the journey. The story closes with the survivors tending to the next generation in the valley, the Nesting Grounds now their permanent refuge.

What is the ending?

Diplo restores color to his world and reunites with his parents after discovering a hidden dimension, saving everyone through his bravery.

Now, picture this: the little green dinosaur Diplodocus, or Diplo, has journeyed through the vibrant, twisting pages of the comic book worlds, battling fantastical creatures and quirky challenges alongside the wizard Hocus Pocus and the two scientists Nervekowsky and Entomology. His small body, covered in that signature bright green scales, trembles with exhaustion but shines with determination as he reaches the final, shadowy realm--a vast, colorless void where the edges of reality blur into nothingness.

In the first scene of the ending, Diplo stands at the precipice of this hidden dimension, a swirling portal of ink and light that pulses like a heartbeat. Hocus Pocus, the tall wizard with his wild beard and starry robe, waves his staff frantically, shouting incantations that echo hollowly. Nervekowsky, the lanky scientist with oversized glasses and a lab coat smeared in paint, scribbles equations on a floating chalkboard, his hands shaking as he calculates the portal's stability. Entomology, the shorter scientist with wild hair and bug-shaped pins on her vest, holds a glowing vial of color essence, her face pale with fear. Diplo's parents, long missing and now revealed as trapped silhouettes in the void, reach out with faint, desperate motions--their forms flickering like old film reels.

Diplo steps forward alone, his tiny claws gripping the edge. He leaps into the portal, his body twisting through beams of raw color that lash like whips. Inside, he confronts the core mystery: the dimension is a forgotten layer of his world, erased by neglect, where all the lost colors and memories pool. Diplo grabs a massive crystal heart at the center, pulsing with drained hues, and pours the vial's essence from Entomology into it. The crystal cracks open, flooding the void with rainbows that surge outward.

The color wave hits his parents first. Their gray outlines fill with warm browns and greens; they solidify, hugging Diplo tightly, tears streaming down their scaly faces as they whisper thanks. Diplo's mother strokes his head, her eyes wide with relief; his father nods proudly, chest swelling.

The wave expands through the portal. Hocus Pocus's robe bursts back to starry blues and golds; he laughs, spinning his staff as magic sparks fly. Nervekowsky's glasses gleam anew, his chalkboard filling with colorful diagrams; he pumps his fist in victory. Entomology's hair regains its fiery red curls, her pins sparkling; she claps Diplo on the back, grinning ear to ear.

Finally, the color rushes back to Diplo's home world. The comic pages flip rapidly, landscapes blooming--grasses greening, skies bluing, creatures awakening in full vibrancy. Diplo emerges from the portal with his parents, the group landing in a heap on the now-lush ground. They all stand together, watching the world revive.

Diplo's fate: he remains in his restored colorful land, hero of his realm, forever changed by his courage, living happily with his reunited family. His parents' fate: saved from erasure, vibrant and whole, back home with Diplo. Hocus Pocus's fate: restored and magical, continuing his wizardly adventures with the group. Nervekowsky's fate: colors returned, eagerly documenting the new dimension's secrets. Entomology's fate: vibrant again, her scientific tools gleaming as she studies the revived world alongside her companions.

Is there a post-credit scene?

What happens when Diplodocus's world gets mysteriously erased?

In the opening scenes of The Green Dinosaur (2024), young Diplodocus awakens to a horrifying sight: his vibrant, colorful dinosaur world has turned grayscale, erased of all life and hue. His small green scales now stark against the desaturated landscape, he stumbles through empty streets where familiar trees stand barren and skies loom dull, his wide eyes filling with panic and confusion as he calls out desperately for his missing parents, heart pounding with the raw terror of sudden isolation.

Who are the two scientists that join Diplodocus on his adventure?

Nervekowsky and Entomology are the two quirky scientists who ally with Diplodocus. Nervekowsky, voiced by Mike Pollock with a frantic, high-strung energy, is a wiry figure in oversized glasses and a lab coat stained with experimental mishaps, constantly twitching with nervous excitement and spouting rapid-fire theories. Entomology, brought to life by Rachel Butera's warm yet eccentric tone, is a plump, bespectacled enthusiast obsessed with insects, her pockets bulging with specimen jars, driven by a childlike curiosity that masks deeper insecurities about being taken seriously.

What role does the wizard Hocus Pocus play in the story?

Hocus Pocus, voiced by Marc Thompson with a booming, theatrical flair, is the flamboyant wizard who guides Diplodocus through the comic book realms. Clad in a starry robe and wielding a gnarled staff that crackles with erratic magic, he first appears in a puff of smoke amid the colorless void, his mischievous grin hiding a weary soul burdened by past magical failures, motivated by a redemption arc to prove his powers can restore what was lost.

Why do Diplodocus's parents disappear?

Diplodocus's parents vanish at the precise moment his world loses its color, sucked into a rift between comic book dimensions caused by a cosmic imbalance. In a tense flashback sequence, Diplodocus watches helplessly as swirling portals tear through their home, his mother's protective embrace breaking apart as she's pulled into the vortex, her final scream echoing while his father shields them both, fueling Diplodocus's unyielding determination laced with guilt for not acting sooner.

What fantastical creatures does Diplodocus encounter during his journey?

Diplodocus meets a donkey voiced by Bill Timoney, a sarcastic, long-eared sidekick with sagging posture and world-weary eyes, who joins reluctantly after being rescued from a comic page trap, his dry humor masking loyalty born from shared abandonment. Among other beings, he battles ink-blob monsters that ooze from panel borders and befriends glowing time spirits in psychedelic eras, each encounter testing his courage and revealing layers of his world's hidden lore.

Is this family friendly?