Complex sentence: He then had guest roles in episodes of two Channel 4 series: "Comedy Showcase" and "City of Vice" as well as an episode of the BBC1 series "Lark Rise to Candleford".
Split into simpler sentences: He then had guest roles in episodes of two Channel 4 series: "Comedy Showcase" and "City of Vice". Recently he appeared in an episode of the BBC1 series "Lark Rise to Candleford".