What are the two songs called sung by Smash Mouth on New Scooby Doo Series Monstrous Tails Episode Great Reef?

The two songs sung by Smash Mouth in the "New Scooby Doo Series: Monstrous Tails" episode "Great Reef" are:

* "All Star": This is their most popular song and plays as the opening theme for the episode.

* "I'm a Believer": This is a cover of the Monkees' hit song and plays during the episode's climax.