I'm currently after the following TV series/episodes:
(last updated 08.06.14)

Benson (1979-86) - missing the following episodes.
Season 3: 21, 22.
Season 4: 1, 2, 3, 6, 15, 16, 18, 19, 20.
Season 6: 9.
Season 7: 13, 19, 21, 22.
The Bill (1984-2010) - season 16 onwards wanted.
Chopper Squad (1977-79) - need S01E02 "Something to Shout About".
Encore! Encore! (1998-99) - episodes 3, 7, & 12.
FM (1989-90) - all episodes wanted.
The Growing Summer (1968) - all episodes wanted.
Hawkins (1973-74) starring Jimmy Stewart - all episodes wanted.
Holmes and Yoyo (1976-77) - any episodes I don't have.
House Calls (1979-82) starring Wayne Rogers & Lynn Redgrave - all episodes wanted.
Mr. President (1987-88) - any episodes I don't have.
New York News (1995) - all episodes wanted.
Pioneers of Television (2008-) - need S04E01 "Standup to Sitcom".
Private Benjamin (1981-83) - any episodes I don't have.
Small World (1988) with John Ratzenberger - all episodes wanted.
Soul Man (1997-98) - Season 2 wanted.
Sword of Justice (1978-79) - any episodes I don't have.

Any other missing episodes to help complete the other series I have.
Updated HAVE list in sig.