Space Cases S02 E08 Both Sides Now

Miss Davenport sure has gotten a big head lately! She overloaded her brain and heard the crew talking about how they would like to be each other, and so she grants their wish. Problem is, when they want to switch back, Miss Davenport says she can't do that. Can the crew get what they want, and will Miss Davenport's head ever return to its normal size?