DuckTales: Season 1, Episode 16 - Day of the Only Child! (2018)

In 'Day of the Only Child!', Huey, Dewey, and Louie are driven by their desire to feel special and valued by their father, Donald Duck. Each of them wants to prove that they can be the best and earn Donald's affection, leading to a competitive spirit that escalates throughout the episode.

Webby serves as a mediator and voice of reason among the triplets. She tries to remind them of the importance of teamwork and friendship, but her own desire to be included in their sibling rivalry complicates the situation, showcasing her longing for connection and acceptance.

The triplets face a series of increasingly ridiculous and exaggerated challenges, including obstacle courses and trivia contests, each designed to test their skills and knowledge. These challenges not only highlight their individual strengths and weaknesses but also escalate the tension and rivalry among them.

Donald Duck initially seems oblivious to the escalating competition between Huey, Dewey, and Louie. However, as the chaos unfolds, he becomes increasingly frustrated and concerned, ultimately realizing that he needs to step in to restore harmony and remind them of the importance of family over competition.

By the end of 'Day of the Only Child!', the triplets learn that their bond as brothers is more important than individual accolades. They come to understand that working together and supporting each other is what truly makes them special in their father's eyes, leading to a heartfelt reconciliation.