Ups And Downs

A monster is sighted in Walkerville Lake! Wanda wants to be first to go under water to find it, but the bus refuses to sink! Meanwhile, Gerri Poveri, a journalist, who needs this monster to boost her sinking ratings, doesn't want Wanda anywhere near the lake. The kids discover there's more than one way to make a bus sink, and in the process discover the real monster of Walkerville Lake.