When Mudge gets sick unexpectedly, Henry does all he can to make him feel better.

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

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."

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.

Henry's and his big dog Mudge's boring weekend becomes interesting when Mom suggests building a castle in the basement.

At Christmastime Henry and his dog Mudge enjoy baked treats, visits from relatives, lots of presents, and each other.

For Henry and his big dog Mudge, spring means admiring the first snow glory, playing in puddles in the rain, and watching the five new kittens next door.

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

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