S01E00.1968.Prescription.Murder
S01E01.1971.Ransom.for.a.Dead.Man
S01E02.1971.Murder.by.the.Book
S01E03.1971.Death.Lends.a.Hand
S01E04.1971.Dead.Weight
S01E05.1971.Suitable.for.Framing
S01E06.1971.Lady.in.Waiting
S01E07.1972.Short.Fuse
S01E08.1972.Blueprint.for.Murder

S02E01.1972.Etude.in.Black.
S02E02.1972.The.Greenhouse.Jungle.
S02E03.1972.The.Most.Crucial.Game.
S02E04.1972.Dagger.of.the.Mind.
S02E05.1973.Requiem.for.a.Falling.Star.
S02E06.1973.A.Stitch.in.Crime.
S02E07.1973.The.Most.Dangerous.Match.
S02E08.1973.Double.Shock

S03E02.1973.Lovely But Lethal
S03E02.1973.Any.Old.Port.in.a.Storm.
S03E03.1973.Candidate.for.Crime.
S03E04.1973.Double.Exposure.
S03E05.1974.Publish.or.Perish.
S03E06.1974.Mind.Over.Mayhem.
S03E07.1974.Swan.Song.
S03E08.1974.A.Friend.in.Deed.

S04E01.1974.An.Exercise.in.Fatality.
S04E02.1974.Negative.Reaction.
S04E03.1974.By.Dawn's.Early.Light.
S04E04.1975.Troubled.Waters.
S04E05.1975.Playback.
S04E06.1975.A.Deadly.State.of.Mind.

S05E01.1975.Forgotten.Lady
S05E02.1975.A.Case.Of.Immunity
S05E03.1976.Identity.Crisis
S05E04.1976.A.Matter.Of.Honor
S05E05.1976.Now.You.See.Him
S05E06.1976.Last.Salute.To.The.Commodore

S06E01.1976.Fade.in.to.Murder
S06E02.1976.Old.Fashioned.Murder
S06E03.1976.The.Bye-Bye.Sky.High.I.Q.Murder.Case

S08E01.1989.Columbo.Goes.to.the.Guillotine
S08E02.1989.Murder,Smoke.and.Shadows.
S08E03.1989.Sex.and.the.Married.Detective.
S08E04.1989.Grand.Deceptions.