The Beach Band is a band which includes SpongeBob SquarePants, Jennifer Millie, Frank, and an Unnamed fish as their members. They only appear in the episode "Ripped Pants."
There are four members in the band, and their instruments include vocals and a guitar (SpongeBob), a bass (Fish), a tambourine (Jennifer-Millie), and drums (Frank).
In the episode, the band appears and becomes a hit after SpongeBob sings "Ripped Pants." The band's purpose is to make Sandy SpongeBob's friend again.