We meet the gang who is just starting at Roscoe High, Lily a muscian, Travis ...
Radio Free Roscoe
Season 1 Episode 9: Detention Redemption
The whole Radio Free Roscoe group is thrown into after school detention. But wait, who is going to cover for the radio station. If no one is broadcasting at the station, Mr Waller will suspect that they're the ones behind Radio Free Roscoe.