The Penguins are reporting back for duty and this time they're bringing along a few new friends. Meet Frankie the pigeon, Salvio the boa constrictor, the Red Squirrel, Jiggles, Max the cat and more new zoosters in this DVD packed with episodes all about who's new to the zoo. "In the Line of Doody": The Penguins have to protect the City Zoo Commissioner from Frankie the Pigeon's wrath. "The Big Squeeze": When the little mammals in the zoo start to disappear, the Penguins suspect the new boa constrictor, Salvio. "Out of the Groove": Julien is horrified when the baboons' dance routine gets more attention than his own. "Skorca!": On watch-duty, Private sees a terrifying Skorca: a sky orca whale. "The Red Squirrel": Skipper's idol, Rockgut, accuses all of the zoo animals of being his nemesis, the Red Squirrel. "Jiggles": Kowalski accidentally creates a living blob of jelly named Jiggles. "Untouchable": A tiny frog with a nasty attitude moves into the zoo and starts terrorizing the animals. "Cat's Cradle": Max the cat is on the run from evil animal control Officer X and comes to the Penguins for help.