Whether at home getting ready for the day, enjoying the beach, or at bedtime, Olivia is a feisty pig who has too much energy for her own good.

While traveling with her family to Holland to visit her grandparents, Trixie once again loses her beloved Knuffle Bunny.

Oliver's boring blue beach bag is gone. Nate and his dog Sludge try to find clues to find the beach bag.

Junie B. Jones experiences glee while showing off her new furry mittens in kindergarten, but disaster strikes when they disappear from the playground.

Penny feels guilty after taking a beautiful blue marble that she sees in Mrs. Goodwin's grass, but gets a pleasant surprise when she goes to return it the next day.

A little fish thinks he can get away with stealing a hat.

When a puppy who is being trained as a police dog goes missing, third-grader Judy forms a detective agency to solve the mystery, imitating her literary heroine, Nancy Drew.

When Biscuit and his owner go to the park to play, Biscuit chases a ball and becomes lost.

Rose Howard is obsessed with homonyms. She's thrilled that her own name is a homonym, and she purposely gave her dog Rain a name with two homonyms (Reign, Rein) which, according to Rose's rules of homonyms, is very special. Struggling with Asperger's, Rose shares a bond with her beloved dog, but when the dog goes missing during a storm, Rose is forced to confront the limits of her comfort levels, even if it means leaving her routines in order to search...

When Harry, the class pet, gets out while at Amelia Bedelia's school break, Amelia and her friends must find him.