DB Episode 119
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
As crisis continues in West City, Tien is forced to fight Drum. Goku stops halfway on his journey to help the Ox King and Chi Chi from soldiers blackmailed into killing martial artists by King Piccolo. Tired of waiting, Yamcha and the others decide to go after Tien. After taking blows Tien seizes his chance to perform the evil containment wave, but Piccolo destroys the jar. Goku arrives and kicks Drum, killing him instantly.