CBTV was a Thames TV magazine programme for younger viewers, in the 1980s.

Its main presenters were the comedy duo Jim Sweeney & Steve Steen

Steve Steen

Steve Steen is a British actor and comedian best known for his improvisation partnership with Jim Sweeney.The pair met at school in London and joined a theatre club in 1972. The two then wrote and starred in a show which parodied much of the other shows being held in London that year...

 who at the start of each show would have to sneak past the security guard (played by Harry Fielder

Harry Fielder

Harry Fielder is an English actor and supporting artist who has worked extensively in British films and television since the 1960s.Fielder was born in Islington, London...

) on the gates of Teddington Studios

Teddington Studios

Teddington Studios is a large British television studio complex located in Teddington, South-West London, providing studio facilities for programmes airing on BBC television, ITV, and Channel 4 along with others...

 to get their rooftop studio. Other presenters on show included Anneka Rice and Mike Smith

Mike Smith (television presenter)

Mike Smith is a British television, radio presenter, racing driver, pilot, and businessman.-Radio career:...

.