[No.] 12A [Description] When Rover has dug up a lunarsaurus bone, TED becomes afraid that a lunarsaurus will look for the bone, despite everyone assuring him that lunarsauruses are extinct. The bone, which is seemingly useless, proves to be useful when a leg of the Control Tower is broken, and the bone is the perfect replacement leg. [Air Date] January 14, 2006 [Episode Name] 
Rover's Big Dig