When they leave to go to Waterland , Ms. Frizzle instead uses a spare key which turns her , the class and the bus into water .
He accidentally leaves Ms. Frizzle 's keys and Liz in the bathroom , and forgets to turn the water off .
When they leave to go to Waterland , Ms. Ms. instead uses a spare key which turns Frizzle , the class and the bus into water .
He accidentally leaves Ms. Frizzle 's keys and Liz in the bathroom , and forgets to turn the water off .