Jeffy's Uncle

Jeffy's Uncle is the upcoming 33rd episode of the seventh season, and the 129th episode overall. It will air July 7th, 2021.

Synopsis
Luigi visits his nephew, Jeffy for the first time.

Plot
The episode begins with Mario asking Luigi, Wario and Waluigi what they should do. Luigi says he doesn't know. Junior comes barging in and says that what Mario just said is Junior's line, but Junior tells Mario that Mario has the rights to start using it, and Mario gladly chooses to start using Junior's catchphrase.

Junior goes back to Joseph, Toad and Peach and thinks that eventually the whole town will start using his catchphrase, because he says it a lot.

Characters

 * Mario
 * Luigi
 * Jeffy

Trivia

 * This episode is the first to have a custom thumbnail.