| Title(Year of production) | In charge | Average | Number of reviews |
| Columbo: Any Old Port in a Storm (1973) | Writer | 7.40 / 10.0 | 47 |
| Columbo: Suitable for Framing (1971) | Writer, Producer | 7.34 / 10.0 | 47 |
| Columbo: Murder by the Book (1971) | Writer, Producer | 5.77 / 10.0 | 44 |
| Prescription: Murder (1968) | Writer, Screenwriter | 7.11 / 10.0 | 44 |
| Columbo: Blueprint for Murder (1971) | Writer, Producer | 6.81 / 10.0 | 43 |
| Columbo: Forgotten Lady (1975) | Writer | 7.28 / 10.0 | 35 |
| Columbo: Negative Reaction (1974) | Writer | 7.02 / 10.0 | 34 |
| Columbo: Étude in Black (1972) | Writer | 5.70 / 10.0 | 34 |
| Ransom for a Dead Man (1971) | Writer | 6.76 / 10.0 | 34 |
| Columbo: Death Lends a Hand (1971) | Writer, Screenwriter, Producer | 6.82 / 10.0 | 34 |
| Columbo: A Stitch in Crime (1972) | Writer | 6.58 / 10.0 | 34 |
| The Hunter (1980) | Screenwriter | 6.30 / 10.0 | 33 |
| Columbo: Dagger of the Mind (1972) | Writer | 6.21 / 10.0 | 32 |
| Columbo: Dead Weight (1971) | Writer, Executive Producer | 4.93 / 10.0 | 31 |
| Columbo: Short Fuse (1971) | Writer, Producer | 6.00 / 10.0 | 30 |
| Columbo: Lady in Waiting (1971) | Writer, Executive Producer | 4.13 / 10.0 | 30 |
| Columbo: The Greenhouse Jungle (1972) | Writer | 5.55 / 10.0 | 29 |
| Columbo: Double Shock (1973) | Writer, Producer | 6.64 / 10.0 | 28 |
| Columbo: Make Me a Perfect Murder (1977) | Writer | 6.55 / 10.0 | 27 |
| Columbo: By Dawn's Early Light (1974) | Writer | 6.92 / 10.0 | 27 |
| Columbo: Requiem for a Falling Star (1972) | Writer | 6.15 / 10.0 | 26 |
| Columbo:Try And Catch Me (1977) | Writer | 6.48 / 10.0 | 25 |
| Columbo: A Deadly State of Mind (1975) | Writer | 5.96 / 10.0 | 25 |
| COLUMBO: Now You See Him (1975) | Writer | 7.20 / 10.0 | 25 |
| COLUMBO: Troubled Waters (1974) | Writer | 6.32 / 10.0 | 25 |
| Columbo: The Most Crucial Game (1972) | Writer | 5.60 / 10.0 | 25 |
| Columbo: Double Exposure (1973) | Writer | 6.76 / 10.0 | 25 |
| COLUMBO: MURDER UNDER GLASS (1977) | Writer | 5.60 / 10.0 | 25 |
| Columbo: Playback (1975) | Writer | 6.48 / 10.0 | 25 |
| COLUMBO: AN EXERCISE IN FATALITY (1974) | Writer | 6.95 / 10.0 | 24 |