"I'm a Believer" is a song by Neil Diamond, written for the band The Monkees. This song was covered by Smash Mouth around the turn of the millennium. This song was a hit for both the original artist and the cover band.

TV/Movie occurances

The Monkees' Version

• In the episode of South Park about chickenpox

Smash Mouth Version

• Was in the movie Shrek