Spaceballs The Animated Series
Deep Ship
S1 E2:
The Spaceballs are right side down and up to their ankles in Deep Ship when a star cruise set up to kidnap Princess Vespa runs into a Sea of Bad Gas and the ship flips over. Since President Skroob has no exit strategy Lone Starr must lead them out of danger. The enemies are forced to work together to find their way to the bottom to get to the top.