Underdogs Season 1 explores unsavory courtship rituals of various underdog animals, showcasing their unique and sometimes bizarre behaviors to attract mates. Specific examples include unusual mating displays and behaviors that are highlighted to show the diversity of natural courtship strategies.

Underdogs Season 1 highlights various devious camouflage techniques used by lesser-known animal characters to survive and thrive in the natural world, as narrated by Ryan Reynolds. These techniques are part of the animals' hidden talents and survival strategies featured throughout the series.

In the episode 'Total Grossout' (Season 1, Episode 5), animals such as manatees that use flatulence to control their buoyancy and fungus gnats that create illuminated fly traps from mucus lit by their posteriors are featured. The episode also includes a pearlfish that hides inside another creature's rectum to evade predators.

The series portrays the parenting skills of underdog animals by focusing on their unconventional and often surprising methods of raising offspring. These include unique nurturing behaviors and protective strategies that help ensure the survival of their young in challenging environments.

Season 1 reveals hidden talents of various underdog animals, such as their bold hygiene choices, clever survival tactics, and unexpected abilities that help them succeed despite being overlooked or underestimated in the natural world.