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.