Cave Party The Backyardigans : Season 1 Episode 19
TV-Y Treehouse TV 23m
Aired: September 22nd, 2005 @ 10:00 AM EST on Treehouse TV
Ug! It's an ug-cellent Ice Age adventure set to Calypso as Cave People Uniqua, Pablo and Tyrone invent their way to Tasha and Austin's cave for something called 'a party.
