Spongebob Squarepants - Glass or No Glass
This in the episode when Spongebob wants to join Kevin and the "Jelly Spotters". When Kevin is giving Spongebob a bunch of quizzes, he is supposed to catch the Queen Jelly Fish. Kevin and his little sardines show up inside the queen after chasing spone. When Kevin is calling him a loser, you can see his hand hanging out of the window type thing...then, when the king jelly fish comes out, and tries to kiss the queen, you can see the lips up against what appears to be glass. But how could his hand be hanging out when there is glass there?