Complex sentence: It was written by series creator and showrunner Charlie Brooker and directed by Carl Tibbetts, and first aired on Channel 4 on 18 February 2013, when it was watched by 1.2 million viewers.
Split into simpler sentences: It was written by the series' creator and showrunner Charlie Brooker and directed by Carl Tibbetts. It first aired on Channel 4 on 18 February 2013, when it was watched by 1.2 million viewers.