Keri Houlihan

It looks like young Keith Gridley will have a lonely summer, until he meets a talking mouse named Ralph. Ralph takes an immediate liking to Keith's toy motorcycle and can ride it just by making a motor noise. Ralph even acts heroically when Keith comes down with a nasty fever, while dodging cats, owls and a guest's noisy dog.

After Snoopy displays his usual level of courage and runs away from his sentry duty, he happens to run into a beautiful female. Smitten, he decides to marry her. Now, the gang, and Snoopy's cousin, Spike, want to help in an affair that has the usual complications