The mustachioed street sweeper character also appeared in the Sherman and Peabody TV cartoon series, Peabody's Improbable History, a part of the Rocky and Bullwinkle Show.
Olive Oyl's WW2 era nursing cape is accurately drawn. However, her fashionable white pumps would not have held up to the rigors of nursing shifts. Nurses wore sturdy mid heeled lace up oxfords back then.
First time that Floyd Buckley (the voice of Popeye on the Popeye radio program) provides Popeye's voice since 1935's Be Kind to "Aminals".
The billboard depicting Fifi the Cow, which enthralls the bull, was likely based on Borden's famous spokes cow, Elsie. She made her first advertising appearance in 1936.