Gravity Falls

Season 1, Episode 17

Episode Title: Boyz Crazy

Air Date: 2013-04-19

Overview:

When Mabel discovers that her favorite boy band is actually a bunch of imprisoned clones, she sets them free, only to decide on keeping them for herself. Meanwhile, Dipper is convinced that Robbie plans to brainwash Wendy with a secret message hidden inside one of his songs.