Complex sentence: He later moved on to producing, overseeing the final series of "Blake's 7" in 1981, the second series of "Tenko" in 1982 and the drama serials "The Dark Side of the Sun" and "Maelstrom".
Split into simpler sentences: He later moved on to producing, overseeing the final series of "Blake's 7" in 1981 and the second series of "Tenko" in 1982. He also produced the drama serials "The Dark Side of the Sun" and "Maelstrom".