After losing Coco the class pet at a shopping mall, second-grader Janine learns that the stuffed rabbit has mistakenly been given as part of a toy distribution at a local hospital.

When Pat, Mom, and Dad mysteriously lose some of their things, the family dog helps find them.

A little girl encounters various animals before finding her cat.

Molly's parents try various methods to help her remember her mittens but nothing seems to work.

Nate the Great and his dog Sludge look for Annie's housekey which has mysteriously disappeared.

After playing a trick on his sister by stealing her toy rabbit, a mischievous little boy wonders who the new troublemaker is when his toy raccoon disappears.

When Horrible Harry's pet cat, Googer, sneaks a ride and gets into the school building, third-graders Harry and Doug have to catch him before anyone else does, which means going into some forbidden places.

Upon finding a toy rabbit in the forest, Bear tries his very best to return it to its home but by the time its owner appears, Bear has become attached to Bunny.

Justin has lost the hat his grandmother made for him, and if he is to find it in time for her visit he will have to go talk to Mr. Rumkowsky, the gruff old school custodian in charge of the Lost and Found.

Puddle and Opal decide to make a tire swing from an old tire and rope they found sitting on top of some birdseed in the garage, but they are mystified when each time they put the swing up the tire disappears the next day.