Mr. Putter and Mrs. Teaberry bring Tabby and Zeke to the library for a special storytime.

When Henry and his dog Mudge go with Henry's parents to visit Great-Grandpa Bill in the home with lots of other grandpas, they lead them all on a wonderful adventure.

While enjoying autumn weather and activities, Mr. Putter, realizing how much he misses going to school, takes his cat Tabby, their adventurous neighbor, Mrs. Teaberry, and her cake-loving dog Zeke to "Show and Tell."

While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.

Henry and his dog Mudge are invited to a sleepover in Patrick's attic, where they watch monster movies, eat pizza, and enjoy a contest to determine whose dog is the best popcorn catcher.

In the autumn Henry and his big dog Mudge watch the leaves turn, meet with some Halloween spooks, and share Thanksgiving dinner.

Henry, feeling lonely on a street without any other children, finds companionship and love in a big dog named Mudge.

Mr. Putter and Tabby go to their neighbor's house to make soup, but Zeke the dog makes it very difficult for them.

Follows the seaside adventures of Henry, Henry's father, and Henry's big dog, Mudge.

When his puppy Mudge gets dirty, Henry has some trouble giving him a bath.