Ep 18. Eggscellent

Mordecai and Rigby are competing in an egg-eating contest at the park, hoping to win a three-foot tall golden trophy. Despite their initial confidence, they struggle to keep up with the other contestants, including Muscle Man, who seems to have a technique for rapidly consuming dozens of eggs.

As the contest continues, Mordecai and Rigby gradually fall behind. But when Rigby accidentally ingests a baby robin that has fallen out of its nest into his egg cup, he begins to experience a newfound energy that allows him to quickly eat more eggs. Encouraged by his sudden success, Rigby continues to consume as many eggs as he can, drawing concern from his friends as well as the egg vendor who supplied the contest.

Throughout the episode, we see flashbacks of Rigby's childhood in which he was repeatedly told by his father that he was a disappointment and would never achieve anything significant. These memories fuel Rigby's determination to win the egg-eating contest and prove his worth to himself and his friends.

As the contest nears its end, it becomes clear that Rigby will have to eat an impossible number of eggs to surpass Muscle Man and win the trophy. Despite his friends' attempts to dissuade him, Rigby continues to consume more and more eggs, pushing himself to his limits and beyond.

The episode culminates in a dramatic showdown between Muscle Man and Rigby, with the golden trophy hanging in the balance. Though the outcome of the contest is ultimately revealed in the episode, the journey that Mordecai, Rigby, and their friends undertake throughout the episode makes for a compelling and hilarious half hour of animated television.