The Goldbergs (2013)

S4E16 The Kara-te Kid

Drawing inspiration from the "Karate Kid" movies, Adam and the other Adam Goldberg engage in a karate showdown to finally resolve their ongoing rivalry. Barry and Adam seek training from Uncle Marvin, but instead of mastering martial arts, they end up learning how to tidy up an apartment. Meanwhile, as Erica and Geoff's romance becomes known, they come to the realization that they aren't exactly the heroes in their story.