That '70s Show 2x20

Kiss Of Death

Eric accidentally runs over Donna’s cat, Mr. Bonkers, but fails to mention this to her. Kelso finds out that having two girlfriends isn’t as wonderful as he thought it would be, and decides to break up with Laurie. He’s surprised when she takes it well and only asks for one last kiss goodbye, but that one kiss causes more than one goodbye. Fez stuffs himself with cheese puffs, and then mistakes his apendicitis for a stomach ache.