"You Ain't Seen Nothin' Yeti!" is the first segment of the thirty-second episode of The 7D. It premiered on March 19, 2016 alongside "Which Witch Is Which?", and is the first segment of the eighth episode in the second season.
After Hildy casts a spell on the 7D that turns them into mimes, Grumpy leads the group on a dangerous mission to retrieve their lost voices from the Cave of the Yeti.