Circus #4 was published by Éditions Glénat on January 1, 1976, as part of a series that began in 1975. Alexis Kostandi and Annie Goetzinger write, and art comes from Guido Buzzelli and Julio Ribera. It features B.C., Pogo Possum, Albert Alligator, Axle Munshine and Musky, among 15 characters cataloged on VerseDB.