The best episode written by Sam Ward is "The Poltergeist", rated 8.667/10 from 3 user votes. It was "directed by N/A". "The Poltergeist" aired on 10/17/2011 and is rated 0.3 point(s) higher than their second highest rated, "The Pressure".
Richard believes there's a ghost in the attic but is actually Mr. Robinson who Gumball moved up there after entering a catatonic state due to being kicked out by his wife. Gumball and Darwin work on trying to restore Mr. Robinson whilst Richard, unaware of this, sets traps for the ghost.
Director: N/A
Writer: Sam Ward