Car 54, Where Are You? S01 E29 Quiet! We're Thinking

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

Gunther and Lucille's 11-year-old nephew Marvin, in the Big Apple for a Boy Scout event, helps Toody and Muldoon crack the cases that have flummoxed New York's Finest.