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

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

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

When Henry's cousin Annie prepares to move in next door he and Mudge help calm her fears.

Henry, his dog Mudge, and his parents go on a quiet camping trip to Big Bear Lake, enjoying the clean smell of trees and wonderful green dreams.

Pinky is jealous when his best friend Rex gets the lead in the school play, even though she only tried out to give Pinky moral support.

As the Thornberrys explore an island in Indonesia, a Noisy Friarbird who likes to sound false alarms warns them of so many imaginary dangers that they do not believe him when he announces a real threat.

Although Henry's cousin Annie likes his dog Mudge, when she gets her own pet she decides that a bunny will be perfect for her.

Young Abe Lincoln is all dressed up in his best suit and on his way to deliver an important speech. As he walks along, he finds a pig stuck in a mudhole. Abe hates to see any animal suffer. If he helps the pig, his clothes will get muddy. What would people think of a mud-covered speaker? Abe doesn't want to leave the pig stranded, but he has no other nice clothes to wear. So, he continues down the road toward town, feeling guilty. He knows a pig isn't...

Henry is excited when his Uncle Jake builds him a tree house but worries that his dog Mudge will not be able to enjoy it with him.