Episode Title:The Doozer Contest.Episode Description:Flange and Modem Doozer have been trying new ideas for their building material; Flange added tomato extract (ketchup), and Modem added mustard powder. When they observe the Fraggles enjoying their constructions and say they enjoy the mustard best, Modem takes credit for her part, saying that the mustard is what made it good. Flange gets upset, and before long, the two are fighting and they have a contest to see whose is better. In order to find out, they have to find a truly decisive Fraggle to judge. Wembley is their answer.