Walk a Straight Line T.J. Hooker : Season 3 Episode 6

When an undercover armed robbery stake-out is bungled, leaving a cop wounded in hospital, Hooker becomes concerned that a veteran cop's heavy drinking was the cause of the stake-out's failure. As he hunts for the armed robbers who are targeting night-clubs, Hooker becomes more and more worried that his fellow officer is an alcoholic, and is not only endangering police operations, but himself and everyone around him...