On May 7, 1966 The Mamas and the Papas were at No.1 and remained there for three weeks straight. Their hit Monday Monday was their first three week straight run and even made it to No.3 in the UK. It was rumoured that all of the members disliked the song except for John Phillips who wrote the song.

The Mamas and the Papas won a Grammy Award for Best Pop Performance by a duo or group for this song.