Complex sentence: ITV aired "Sexton Blake" from 1967 to 1971 and Simon Raven's "Sexton Blake and the Demon God" was a short television show produced by the BBC in 1978.
Split into simpler sentences: ITV aired "Sexton Blake" from 1967 to 1971. There was also Simon Raven's "Sexton Blake and the Demon God" was a short television show produced by the BBC in 1978.