Columbo: Any Old Port in a Storm (1973), Candidate for Crime (1973), Mind Over Mayhem (1974). Quincy, M.E. : They Eye of the Needle (1979).

old pervs in first class — at Columbo: Any Old Port in a Storm (1973).

 recognize this guy from Little Rascals? He looks exactly the same! — with worst election slogan ever at Columbo: Candidate for Crime (1973).

 burst ulcer caused by cortisone — at Quincy, M.E. : They Eye of the Needle (1979).

 robot in computer lab — with Robbie at Columbo: Mind Over Mayhem (1974).

 
classic: you can set up the robot to do your work for you. — at Columbo: Mind Over Mayhem (1974).

 1 pipe per day