Watch Gravity Falls Season 1 Episode 15 Online Streaming at CouchTuner. Also find all the previous episodes of Gravity Falls.
Description by couchtuner forGravity Falls S01E15 : Mabel befriends a cute merman who gets trapped in the deep end of a public swimming pool. Meanwhile, Dipper volunteers at the pool so he can work alongside of Wendy.
Watch It Here : Gravity Falls Season 1 Episode 15 The Deep End
