Terry, the dog on the ship, also played Toto, the dog in The Wizard Of Oz (1939).
The name of the ship the Stooges aboard is the S.S. Schickelgruber, an obvious reference to Maria Anna Schicklgruber, the paternal grandmother of Hitler who gave birth to Hitler's father out of wedlock.
Al Thompson appears in a dual role; first, he plays one of the German sailors, and again later one of the German officers.
In this short, sound effect accompanies an eye-poke for the first time.
In this episode Moe does his Moe Hailstone routine. The same as You Nazti Spys.