That '70s Show S03 E14 Radio Daze

"Be groovy... be very groovy!"

Donna gets a job at a radio station and Eric gets jealous because on the air she's known as Hot Donna and supposedly single. Red gets Earl fired from Fatso Burger but Kitty makes him get Earl his job back. Leo wants to sell his car to Kelso but then changes his mind and gives it to Hyde.