The animals all join forces when Cruella dumps blue dye from her blue jeans factory into Hiccup Hole.

The Main Pups try to get Cruella to quit her smoking habit when she has to move in with the Dearlys.

Lucky and Rolly compete on the game show Squeal of Fortune to win a bone autographed by Thunderbolt. Meanwhile, Cruella enters Scorch and Vendella into the show as well to advertise her new fashion pet wear. Then, Steven the alligator arrives and causes havoc at the show's end.

Fed up of hearing about Lt. Pug's fictional cat invasion, Lucky devises a plan to get him off their backs. However, the pups later discover Cruella's latest plot and realize that Lt. Pug may have been telling the truth after all.

Spot becomes Pullet Marlow, Private Chick and tries to catch the thief who stole Cornelia's new giant egg in this film noir parody.

Cruella downsizes Anita so that she'll then work for Ralphie. Then she has P.H. DeVil kidnap Rolly and replace him with a robot double to spy on Anita's work.