Bugs Bunny bei den Piraten

The name of Yosemite Sam's pirate ship is "La Marie Douce" (The Sweet Mary).

In the sequence where Bugs is running from door to door on both the upper and lower decks, all the doors have knobs on the left-hand side. When Bugs runs out of and back into the right-hand door on the lower deck, there is a cut to a closeup where Yosemite Sam opens the door to find a canon aimed at him. The door he opens has the knob on the right-hand side.

Edited into This Is a Life? (1955)