Episode 2840




 * Bad Bart is looking for Marshal Earp to give her a surprise.


 * A school of fish sing about how you need to "Keep Our Water Pure and Clean."


 * Grover asks The Amazing Mumford if he could make his carrot disappear, provided that some smoke appears. Mumford performs the trick and Grover is impressed by the puff of smoke, however he fails to notice Mumford chomping on his carrot. Grover asks Mumford to make the carrot reappear, he replies that he can't because he ate it.


 * "Cooperation Makes it Happen"


 * Miami Mice: Ernie goes to a repair shop to pick up his broken rubber duckie, but neither he nor the mice can get into the shop because it's cerrado.


 * The Martians are looking for the Earth and find pigs in space and the Moon along the way.


 * "Sounds of our Lives": Dirk tries to pop Deirdre the question, but keeps getting interrupted by sounds, like an alarm clock or a train passing through the house... until he gives up and makes the sound of a slamming door.