The Deep End

Summary

When Mabel befriends a cute merman trapped in the public pool, she's determined to help him out. Meanwhile, Dipper decides to volunteer as a lifeguard to see Wendy.

Guest stars

• Will Forte as Tyler Cutebiker (voice)
• Gregg Turkington as Toby Determined (voice)
• Thurop Van Orman as Gideon Gleeful (voice)
• Dee Bradley Baker as Waddles (voice)
• Keith Ferguson as Deputy Durland / Additional Voices (voice)
• Kevin Michael Richardson as Sheriff Blubs / Additional Voices (voice)
• Matt Chapman as Mermando / Additional Voices (voice)
• Mike Rianda as Mr. Poolcheck / Additional Voices ( voice)