Liar, Liar, House on Fire

S9, E20: Having learned that Gus is a pyromaniac, Mimi puts him in therapy and tries to persuade an insurance investigator, Owen that her house burned down by accident, hoping to receive a large payment. Since Drew is desperate to get Mimi out of his house, he eagerly supports the lie--as do Lewis and Kellie--but when the whole scheme depends on Gus lying, problems occur.