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Donald Paul Bellisario (born August 8, 1935) is an American television producer and screenwriter who created and wrote episodes for the TV series Magnum, P.I. (1980–1988), Tales of the Gold Monkey (1982–1983), Airwolf (1984–1987), Quantum Leap (1989–1993), JAG (1995–2005), and NCIS (2003–present).
| Years | Title | Director | Writer | Producer | Creator | Notes |
| 1977 | Big Hawaii | Yes | ||||
| Kojak | Yes | |||||
| 1977–1978 | Baa Baa Black Sheep | Yes | Yes | Yes | ||
| 1978 | Switch | Yes | ||||
| 1978–1979 | Battlestar Galactica | Yes | Yes | Yes | ||
| 1979 | Quincy, M.E. | Yes | ||||
| 1980 | Stone | Yes | ||||
| 1980–1988 | Magnum, P.I. | Yes | Yes | Yes | Yes | |
| 1982–1983 | Tales of the Gold Monkey | Yes | Yes | Yes | ||
| 1984–1987 | Airwolf | Yes | Yes | Yes | Yes | |
| 1987 | Three on a Match | Yes | Yes | Television film | ||
| 1988 | Last Rites | Yes | Yes | Yes | Directorial Debut (only theatrical feature film credit) | |
| 1989–1993 | Quantum Leap | Yes | Yes | Yes | Yes | |
| 1992 | Tequila and Bonetti | Yes | Yes | Yes | ||
| 1995 | Crowfoot | Yes | Yes | Yes | Television film | |
| 1995–2005 | JAG | Yes | Yes | Yes | Yes | |
| 2002 | First Monday | Yes | Yes | Yes | Yes | |
| 2003–present | NCIS | Yes | Yes | Yes | Yes | |
| 2022–2024 | Quantum Leap | Yes | Yes |