Planet Express attack on the Mombil "mine"

The attack on the Nibblonian Farm was when Fry, Leela and Professor Farnsworth attacked the Nibblonian farm to put an end to Mom's evil plan. The Planet Express ship is remote-controlled and is used as a distraction. They discover that the Mombil mine is actually a Nibblonian Farm. During a fight with Mom and her sons they fall into Cornwood.