S2·E14 Lucy Plays Florence Nightingale

Lucy needs Mr. Mooney to give her some money to buy Chris a dress for a dance, but Mr. Mooney is in the hospital with a broken leg. Lucy is a hospital helper and on the next day she has work, she tries to get Mr. Mooney to sign the check. She gets kicked off the floor Mr. Mooney is staying on and dresses as a doctor to get into his room.