VIDEOS:
This isn't water, this is gas!
Squidward attempts to break into the Krusty Krab in the dead of night to sneak a Krabby Patty, and assumes the burglar alarm is nothing more than a bucket of water. He sniffs it, however, and realizes it's gas, which causes him to get caught in a fiery explosion... twice.
Example of:
Gasoline Dousing