Complex sentence: Due to the their popularity on Rainbow in 1980 Rod, Jane and Freddy were approached by ITV to make their own show and The Rod Jane and Freddy show aired its first episode on 15 January 1981.
Split into simpler sentences: Due to the their popularity on Rainbow in 1980 Rod, Jane and Freddy were approached by ITV to make their own show. Plans went through and The Rod Jane and Freddy show aired its first episode on 15 January 1981.