The Traffic Signal (S01E21)

S01E01 The Rivals S01E02 The Poet S01E03 The Pills S01E04 The Fall Guy S01E05 Halloween Party S01E06 Riviera Ballet S01E07 David the Babysitter S01E08 Rick Goes To A Dance S01E09 Day After Thanksgiving S01E10 Thorny's Gift S01E11 Harriet's Hairdo S01E12 The Boys' Christmas Money S01E13 The Late Christmas Gift S01E14 Newspaper Write-up S01E15 Basketball Players S01E16 Stop Worrying S01E17 The Tuba Affair S01E18 The Rover Boys S01E19 Separate Rooms S01E20 The Valentine Show S01E21 The Traffic Signal S01E22 The Dental Receptionist S01E23 The Speech S01E24 The Safecrackers S01E25 Brother Beesley's Philosophy S01E26 The Bowling Alley S01E27 The Orchid and the Violet S01E28 The Pancake Mix S01E29 Whistler's Daughter S01E30 The Fish Story S01E31 Night School S01E32 The Traders S01E33 Boxing Matches S01E34 Door Key for David S01E35 The Play's the Thing S01E36 Monetary System S01E37 Who's Walter? S01E38 Curiosity S01E39 Oscillating Ozzie