Arthur's Missing Pal

Arthur's Missing Pal is the CGI movie featuring the characters from the animated series, Arthur. It was first aired on PBS GO! on August 18, 2006. It was later released on the DVD on August 22, 2006.

Summary
Pal goes missing after Arthur leaves for his friends' water balloon fight because Arthur has forgotten to feed Pal. However, he and Buster are certain that D.W. did it, but D.W. denies any involvement. Arthur and his friends mount a search throughout Elwood City for the missing dog.

Trivia

 * This movie's plot is based on the SpongeBob SquarePants episode "Have You Seen This Snail?", where Gary runs away after SpongeBob forgets to feed him.