It's the Pied Piper, Charlie Brown
2000
Adventure, Animation, Comedy | 12 September 2000
Ashley Edner, Bill Melendez, Frank Welker
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.