The Thing Under the Bed - S1.E15

On a sleepover at the Silvers, their friend Phil's sleep is disturbed when he discovers a monster under the bed. The monster known as Melvin just needs a place to sleep, and the Silvers offer him a temporary home. But his first night is a disaster for Martin - Melvin's a restless sleeper who tosses and turns, sleepwalks and gets up in the middle of the night for water.