A Bunch of Baby Ducks

Synopsis
Mordecai and Rigby find four ducklings while cleaning the park fountain. The ducks imprint on Rigby, believing him to be their mother. Benson orders themto get rid of the ducks and go back to cleaning the pond. After the ducks learn a few (very violent) moves from Rigby, the duo decide that not just anybody can have ducks as cool as them. They post advertisements, but the only one who answers is a creepy man with an apparent duck fetish. After Mordecai and Rigby turn him away, the mother duck calls them and asks for her ducklings back. Mordecai and Rigby agree to meet her, but upon going back outside, they find that the duck-fetish man has stolen the ducks. Mordecai and Rigby, along with the mother duck, must rescue the ducks from the man.

Plot
When Mordecai and Rigby clean up the trash by the fountain, they discover a group of baby ducks living in it after they drain the water. At first, they set it aside, believing the mother duck will come get them one day, however when Rigby leaves for a break, the ducks start picking up on his actions, which Mordecai finds funny. Benson comes over and asks if there done cleaning the fountain. When they respond with a request to find a home for the baby ducks, Benson replies that they need to find a home for the baby ducks and get back to work.

They take the baby ducks to the coffee shop. Margeret and Eileen find the ducks to be very cute after the baby ducks start copying what Rigby does. Mordecai tries to get them to take the baby ducks, but Eileen is allergic to duck dander, and Margeret can't take them home with her, so Mordecai and Rigby take them to the animal shelter. However, the animal shelter worker does not want them after they start violently karate chopping the pets in the building. Mordecai says they have to find some one good enough to take them, thinking the ducks are magical.

Mordecai and Rigby decide to take a video game break, which the baby ducks beat Rigby twice in a row. After Benson overhears Mordecai saying maybe they should keep them, he is curious about them to which Mordecai responds by telling him they will continue looking for a person to keep them. Benson asks if they are done cleaning the fountain. Benson tells them to finish cleaning the fountain and find some one to take the baby ducks. After putting up flyers for the ducks, a duck colletor comes over in his truck with a very obvious duck fetish, but Mordecai and Rigby refuse to give them to him.

However, they receive a call from the duck's mother. However, when she gets there, the duck collector had stolen them. Mordecai and Rigby follow him while flying on the duck's mother. Mordecai slams through the window of the truck and kicks the duck collecter. This causes the truck to crash into the fountain, allowing the ducks to escape, however the duck collector comes back and kicks Mordecai into a tree.

The duck's mother flies in and tries to stop the collector by pecking at his head, but gets violently beaten down. When Rigby tries to stand up to the collector, he draws a sword from his cane causing Rigby to cower in fear. The ducks, seeing thier mother and friends in peril, transform into a giant buff man with a duck's head. They karate chop the duck collector in half, causing him to explode. The ducks return to normal, thanks Mordecai and Rigby, and fly off with their mother. Benson shows up, but Mordecai alerts him since the truck crashed into the fountain. It is completly destroyed and Benson who may have seen the entire event, walks away without saying a word to Mordecai and Rigby.