A family's faithful dog and the baby left in his charge share an adventure-filled Christmas Eve.

When Madeleine's parents go to the Pond Party, they leave Carl and the baby at home for a cozy winter afternoon with a babysitter. But Carl and Madeleine have plans of their own -- they want to play in the snow! After getting all bundled up, they sneak off to go sledding, build a snowman, and even make an appearance at the party and try sliding on the ice at the pond. Of course, resourceful Carl gets the baby home before her parents return -- and...

Carl tends to a sick puppy while the puppy's father takes the rest of his babies for a walk.

Carl the rottweiler helps Mama Duck find her missing baby.

Carl helps a little kitten that is stuck in a tree.

With the help of a baseball dictionary so they can learn the necessary language, an elephant and a bear take over the management of a baseball team.

Carl and Madeleine are supposed to be napping while Mom and Dad get the summer cabin ready for company, but they escape from the hammock to do some exploring on the lake.

Carl the rottweiler, in charge of a baby and a puppy, takes advantage of Mom's absence to lead them on a wild romp through the park.

Taffy and her family must move out of their house by midnight, Christmas eve. Taffy, her two daughters and twelve animals won't let the bad news get them down. They move into an abandoned barn and turn it into a Christmas they'll never forget.