When Lizzie meets a mischievous young pug named Pugsley while working at her aunt's day care center for dogs, she steps in to train Pugsley so that he can get a good owner.

Puppy brothers and best friends Bingo and Rolly describe their life with their inventor owner, Bob, the great doghouse he made for them, and the fun missions they have gone on together.

Gordy, Jilly, and Zoie want to take their morning nap but a cat has taken over their basket.

"Fourth-grader Stevie Blunt is a huge comic book fan-and he's just found a rare copy of the first issue of Captain Fantastic, featuring a "Top Secret Superhero Training Journal." Now, all he has to do is dig up the money to pay for it. When a neighbor needs a last-minute dog sitter for her beloved pug, Stevie transforms into Commander Universe, ready to be the hero this citizen needs (and earn the money for his comic book). But then the dog goes missing,...