Was the first movie to be released on the CED Videodisc format, in 1981.
Vince Guaraldi was considered for writing the music score for this film, but died some time before production began.
Peppermint Patty and Marcie are voiced by male actors in the film.
Rod Scribner's final project. The last scene he ever animated is about 30 minutes in where, after Woodstock builds a house on Snoopy's noose, Snoopy freaks out and yells at Woodstock.