S.U.I.T. headquarters is under attack, and Mango and Brash are going undercover and underground disguised as city sewer workers to unclog a sticky situation. But when their search for the criminal Crackerdile backfires, the toilets they travel through back up--and the InvestiGators take the blame for it! Can Mango and Brash restore their good name and put the real culprit behind bars before the whole city is in deep water?

"Ally's enjoying a peaceful, rainy day down in the swamp until Beak tells her that a big storm is coming. As Ally makes her way home to prepare, she can't help but notice other swamp critters struggling to get ready for the bad weather. Even though she has a lot to do, she offers them a hand. But before she knows it, the storm is upon her, and she has to take shelter in the first secluded spot she can find. Once the storm passes, Ally returns to find...

"Winter is coming! Beak loves the snow, but his hopes are dashed when Ally informs him the swamp stays warm year-round and not much changes. As a matter of fact, the only big change is that it gets a lot more crowded! Beak soon discovers what Ally means when the snow birds arrive... Hawaiian shirt-wearing, music-jamming new neighbors who have flown south for the winter. At first, Beak is thrilled when they decide to spend their vacation in hiis tree--he...

Dog and Hat are practically inseparable, and when the dots on Dog's favorite shirt disappear down a storm drain, the two friends descend into the sewers where they encounter many obstacles and unforeseen dangers--and come face-to-face with an alligator.