"I Am the Walrus" is a song by the English rock band the Beatles from their 1967 television film Magical Mystery Tour. Written by John Lennon and credited to Lennon–McCartney, it was released as the B-side to the single "Hello, Goodbye" and on the Magical Mystery Tour EP and album. In the film, the song underscores a segment in which the band mime to the recording at a deserted airfield.