Saperstein purchased the UPA (United Productions of America) studio from its co-founder, Stephen Bosustow, in 1960,[REF] following the unsuccessful release of the Mr. Magoo feature film 1001 Arabian Nights (1959) [REF].
Saperstein produced the television special Mister Magoo's Christmas Carol (1962), and The Famous Adventures of Mr. Magoo (1964-65) television series which it spawned, as well as the animated feature Gay Purr-ee (1962).