Complex sentence: Foster appeared on the ITV show "Beat the Star" first broadcast on 4 April 2008 in which he won 18-3, appearing as the'star' and as a guest home owner on BBC2's Through the Keyhole first broadcast on 28 May 2008.
Split into simpler sentences: Foster appeared on the ITV show "Beat the Star" first broadcast on 4 April 2008 in which he won 18-3, appearing as the'star'. He also appeared as a guest home owner on the BBC Two show "Through the Keyhole", first broadcast on 28 May 2008.