 He did animation for "Gerald McBoing-Boing" and "Mr. Magoo".Zaslove has also worked on several other cartoons in film and TV such as "The Alvin Show", "Roger Ramjet", "Popeye the Sailor", "The Famous Adventures of Mr. Magoo", "A Charlie Brown Christmas", "He's Your Dog, Charlie Brown", "The Phantom Tollbooth", "CBS Library", "A Chipmunk Christmas", "Freedom 2000", "Fractured Fairy Tales", "George of the Jungle", "Carnival of the Animals", "The Hoober-Bloob Highway", "Tom Thumb", "The Night Before Christmas", "Clerow Wilson and the Miracle of P.S.14" and "Stanley the Ugly Duckling".