I believe and hope that Gonzo will be on Season 4 cover and Animal on Season 5 cover. This will coincide with the order of Muppet 'Fab 5' - Kermit, Piggy, Fozzie, Gonzo, Animal on DVD covers 1-5. Even so I think that Scooter, Rowlf, Statler and Waldorf talk and appear more on each Muppet Show...