It was most active during the 1960s, producing episodes of The Alvin Show and Popeye the Sailor. Klynn shut his studio in 1962 but reopened it by 1965 as Format Productions when Engels left for Europe. The studio made eleven sub-contracted shorts in Warner Bros.' theatrical Road Runner series as well as three Daffy Duck and Speedy Gonzales shorts, and produced The Lone Ranger animated series for CBS in 1966.
Arnold, Mark (2019). Aaaaalllvvviiinnn!!!: The Story of Ross Bagdasarian, Sr., Liberty Records, Format Films and The Alvin Show. BearManor Media. ISBN9781629334325.