A trailer has been released for the new John Lennon documentary, Daytime Revolution. The film examines the week in February 1972 when Lennon and his wife Yoko Ono co-hosted The Mike Douglas Show. Their guests included Chuck Berry, George Carlin, and activist Ralph Nader. Daytime Revolution opens in theaters on October 9th, Lennon’s 84th birthday. It will premiere at the Hamptons Film Festival in October.