Ignatious uses a time machine to travel back in time to the period of the Dinosaurs, but Krypto and Kevin come back with him.

Stray for a Day: A royal cat takes the day off with Streaky, allowing Isis the opportunity to steal the Queen's jewels.

Waddles, the Penguin's penguin steals Streaky's superpowers.

Mechanikat uses an aging ray on Superdog, but accidentally hits Kevin in the process as well. Can they restore their bodies back to normal? / Thundermutt asks Ace if he can study the way Ace fights crime so he can perform his new movie. Ace soon realizes the pain of helping him out.

"Robbie the Bird Wonder" returns from the South, only to get a jumpstart from Bat Hound because his superheroing hasn't been doing well. Both Robbie and Streaky notice that Krypto and Bat-Hound is missing, however, but manage to find where they are with Krypto wearing kryptonite over his neck and Bat-Hound tied to Krypto on a rocket. Streaky tries to save them, but gets caught as well. It turns out Isis and Mechanikat have teamed up, so now Robbie will have to save the day, despite having a bad time rounding up crooks.