The Newton family is unprepared for the chaos that enters their lives when the cute, frisky St. Bernard puppy they adopt grows into an enormous, drooling disaster-prone pooch named Beethoven!

Nine-year-old Julia Gillian learns a lot about facing fear as she and her St. Bernard, Bigfoot, take long walks through their Minneapolis neighborhood one hot summer, and she seeks the courage to finish a book that could have an unhappy ending.

In rural Castle Rock, Maine, Vic and Donna Trenton struggle to repair their crumbling marriage, while their young son Tad befriends a hulking, lovable, 200-pound St. Bernard named Cujo. With Vic away on business, Donna and Tad take their decrepit car to be fixed at the remote farm of their mechanic. As their aging Pinto sputters to a stop and dies, Cujo appears. But the once docile dog has undergone a hideous transformation and becomes a slavering,...

Adopted by the Newton household's three children, an adorable little St. Bernard puppy grows into 185 pounds of disaster-prone trouble; There's trouble in the heir when Beethoven becomes the proud father of four pups, each one an adorable but mischievous bundle of joy; When two bumbling thieves threaten the safety of his family on vacation, Beethoven sets out to put a bit on the bad guys.