 When Associated-Rediffusion lost its weekday ITV franchise in 1968, the television studios entered a difficult period.For a time they became LWT’s broadcast base and were used to record shows such as "On the Buses", "Please Sir" and "Upstairs Downstairs".The 1970s through to the 1990s saw the demise and demolition of the film studio complex and the decline of the television studios under many different owners.