When the two see their mother in a bumper car , they end up getting into separate bumper cars .
Betty makes sure that all three do n't leave by getting into a bumper car herself until two bury the hatchet .
When the two see their mother in a bumper car , they end up getting into separate bumper cars , and Betty makes sure that all three do n't leave by getting into a bumper car herself until they bury the hatchet .