The look of Popeye changes radically in some scenes, due to the fact that old footage from Sock-a-Bye, Baby (1934) was re-used.
In the blasting scene, the fine print in the DANGER sign reads "Sparber Destruction Co". This is a reference to Izzy Sparber an animator at Fleischer Studios who was working on the Superman short 'Destruction Inc.' at the time.