Regular Show: The Best Burger in the World/Replaced/Butt Dial/Trash Boat/Fists of Justice

Mordecai and Rigby try to outfox Benson using holograms so that they can eat the best burgers in the world./When Benson tries out an ostrich and a possum as replacements for Mordecai and Rigby, they have to fight for their jobs./Mordecai and Rigby have to get rid of the cart and want to have one last day with it to say goodbye./Mordecai accidentally pocket dials Margaret on his cell phone, and he has to erase the embarrassing message he left on her voicemail./Mordecai and Rigby do Skips work for his birthday but Skips hurts his hand. Mordecai and Rigby must fight someone for him with the Fists of Justice.