Based on the legend of the Pied Piper, it stars Snoopy as the title character, who tries to rid the Peanuts' gang's hometown of mice by playing his concertina, in return for a year's supply of dog food.

Charlie Brown tells Sally a somewhat modified version of the legend of the Pied Piper, as Snoopy plays the title character who tries to rid the Peanuts' gang's hometown of sports playing, loudly dancing mice by playing his accordion in return for a year's supply of dog food.—Jason Breslin