The TV show "Underdogs" (2025) is a five-part nature documentary series narrated by Ryan Reynolds that chronicles the lives of overlooked and unconventional animals in the natural world. The series is structured around distinct thematic episodes, each focusing on a different aspect of these animals' survival strategies and behaviors.

The first episode introduces the audience to the hidden talents of various underdog species, showcasing their unique adaptations that allow them to thrive despite being overshadowed by more famous animals. This includes detailed footage of their physical abilities and survival tactics in their natural habitats.

The second episode explores the bold hygiene choices of these creatures, revealing surprising and sometimes gross behaviors that help them maintain health and fend off parasites. The narrative follows specific animals as they engage in these hygiene rituals, with close-up shots and slow-motion sequences highlighting the intricacies of their actions.

In the third episode, the series delves into the unsavory courtship rituals of the underdogs. It presents step-by-step sequences of mating displays, fights for mates, and deceptive tactics used to attract or outcompete rivals. Each scene is carefully documented, showing the progression from initial display to final acceptance or rejection by potential mates.

The fourth episode focuses on the devious camouflage techniques employed by these animals. The show captures the process of blending into environments, including the gradual changes in coloration or behavior that allow them to avoid predators or ambush prey. Specific examples include animals changing their skin texture or positioning themselves strategically among foliage.

The fifth and final episode highlights the dubious parenting skills of the underdogs. It follows the entire parenting cycle, from nest building or birthing to feeding and protecting offspring. The episode does not shy away from showing harsh realities, such as sibling rivalry, abandonment, or predation, with detailed sequences of confrontations and escapes involving the young animals.

Throughout the series, the filmmakers include never-before-filmed scenes, such as entering a special glowing cave in New Zealand inhabited by millions of mucus-coated grubs whose bioluminescent butts light up the cavern. This sequence is shown in full detail, with the crew navigating the cave and capturing the eerie glow, emphasizing the uniqueness of this environment.

Each episode is narrated with a blend of humor and factual commentary by Ryan Reynolds, who also serves as executive producer. The narration guides viewers through the chronological progression of each animal's story, emphasizing key decisions and behaviors that drive their survival and reproduction.

The series concludes by reinforcing the importance of these underdog species in maintaining ecological balance, showing them actively contributing to their ecosystems despite their low profile compared to more charismatic animals like polar bears or sharks.

No fictional plot or character-driven storyline exists in "Underdogs" as it is a documentary series focused on real animal behaviors and natural history, presented in a detailed, chronological, and visually immersive manner.

The TV series Underdogs (2025) ends by showcasing the resilience and unique survival strategies of various animal underdogs in the natural world, highlighting their hidden talents, bold behaviors, and parenting skills. The final scenes emphasize the ongoing cycle of life and the importance of these overlooked creatures in maintaining ecological balance.

Expanding on the ending in a detailed narrative fashion:

The concluding episode opens with a panoramic view of a glowing cave in New Zealand, illuminated by millions of bioluminescent grubs. This scene sets the tone for the finale, emphasizing the wonder and hidden marvels of nature. The camera then shifts to several key animal underdogs featured throughout the series, each demonstrating their distinctive survival tactics.

First, the episode revisits a group of small, camouflaged insects that use deception to evade predators. The narration details their slow, deliberate movements and the way their colors blend seamlessly with their environment, allowing them to survive another day. The scene transitions to a bold display of courtship rituals by a species known for its unsavory but effective mating behaviors, showing the lengths to which these animals go to ensure reproduction.

Next, the focus moves to a mother animal exhibiting unusual parenting skills. The camera captures her nurturing behavior, feeding and protecting her young against threats. This segment highlights the sacrifices and efforts made by these underdogs to raise the next generation.

As the episode progresses, the narrative ties these individual stories together, underscoring the theme that despite their small size or unconventional methods, these animals play crucial roles in their ecosystems. The final scenes show a montage of various underdogs thriving in their habitats, reinforcing the message of resilience and adaptability.

Regarding the fate of the main animal characters featured at the end:

• The bioluminescent grubs continue their life cycle within the cave, sustaining the unique ecosystem there.
• The camouflaged insects successfully evade predators, ensuring their survival.
• The courting animals complete their mating rituals, contributing to the species' continuation.
• The nurturing mother successfully raises her offspring, who are shown beginning to explore their surroundings.

The series closes with a wide shot of the natural world, vibrant and full of life, narrated by Ryan Reynolds, who reminds viewers that these underdogs, often overlooked, are vital to the planet's health and diversity.

In the 2025 TV show Underdogs, there are no reported character deaths in the episodes released so far. The show, which debuted on June 15, 2025, on National Geographic, focuses on a quirky team of animals with surprising superpowers, highlighting their adventures and teamwork rather than fatal outcomes.

The series is described as a mix of comedy and heartwarming moments, emphasizing the animals' strengths and underdog stories, without mention of any character dying. No sources from the search results indicate any deaths of characters in this show.

Therefore, based on available information, no characters die in Underdogs (2025), and no circumstances of death are described.

The TV show Underdogs produced in 2025 does not have any publicly documented post-credit scene. Available information about the show, including cast and crew details, does not mention or describe any post-credit or after-credits scenes.

The sources found discuss post-credit scenes for other productions but do not provide any indication that Underdogs includes such a scene. Therefore, based on current information, Underdogs does not feature a post-credit scene.

The series highlights various animals with unexpected superpowers, such as the invisible glass frog, the indestructible honey badger, and the pistol shrimp that can fire bubbles as hot as the sun's surface.

Underdogs showcases devious camouflage techniques used by the featured animals, revealing how these overlooked creatures blend into their environments to survive and thrive.

The show explores unusual and unsavory courtship behaviors among the underdog animals, highlighting bizarre mating strategies that differ from the more glamorous animal courtships typically shown.

Underdogs presents the dubious and sometimes surprising parenting skills of various animals, including how they care for and protect their young in unconventional ways.

The series reveals bold and unconventional hygiene behaviors among the animals, such as unique grooming or cleanliness habits that set them apart from more well-known species.

The 2025 TV show "Underdogs," narrated by Ryan Reynolds and focused on the natural world's underdog animals, is generally family friendly but may contain some content that could be unsettling for very young children or sensitive viewers. It explores animal behaviors including bold hygiene choices, unusual courtship rituals, camouflage, and parenting skills in a documentary style.

Potentially objectionable or upsetting aspects include:

• Some animal behaviors shown, such as certain mating rituals and parenting methods, can be disturbing or "disgusting" in a biological sense (e.g., a male spider being killed after mating, or harsh parenting tactics like pushing offspring out of nests).

• The show pushes boundaries with some of these natural behaviors but presents them in a way intended to remain family friendly and educational rather than graphic or sensational.

There are no indications of violence, profanity, or mature themes typical of fictional dramas or action films. The tone is documentary and narrated with humor by Ryan Reynolds, making it suitable for children with parental guidance regarding some of the more intense natural behaviors shown.

In summary, "Underdogs" (2025) is appropriate for family viewing but parents of very young or sensitive children should be aware that some natural animal behaviors depicted might be unsettling or provoke questions. There are no spoilers or fictional plot elements that would be objectionable, just real-life animal biology presented candidly.