From Emergency Ward 10 to ER and Quatermass to the X Files, cult television programmes have held viewers in their thrall for 40 years. In the '90s, satellite broadcasters have fuelled viewers' hunger for cult shows, while the terrestrial stations have muscled in with timewarp re-runs and new classics. Shows that a few years ago could only be played in the memory are back to entertain new audiences as well as those who remember their first time on air.