I know Blakes Seven, Fringe and Hart to Hart (at least in the UK and on dvd) are. Without a trace seems to be too, but not M.A.N.T.I.S.
(it's listed on amazon prime, but says unavailable on dvd)
(it's listed on amazon prime, but says unavailable on dvd)

Based on the premise, it kinda sounds like it's part Wild Wild West and part Remington Steele.