Car 54, Where Are You? S01 E17 Boom, Boom, Boom

"Patrolmen Toody and Muldoon are at the wheel, which means Car 54 could be anywhere!"

The boys are attempting to win the barbershop quartet competition for "the old man" Capt. Block. The rules require all 163 quartets to perform the same song, which drives poor Jan Murray to insanity.