EastEnders: E20 to complaints from viewers about the length of some of the episodes in series 1. Series 3 began production in May 2011, and took about four weeks to film. Unlike "EastEnders", "E20" uses incidental music, which Scott Matthewman of "The Stage" said makes it feel like an episode of "Hollyoaks", a Channel 4 soap opera targeted at a teen audience. A remix of the "EastEnders" theme tune was created for the series, with members of the public submitting remixes in a competition held on the BBC website. The competition opened on 11 November 2009 and was officially launched on 13
Tony King (EastEnders) in a UK soap opera, and was researched and developed with advice and approval from the National Society for the Prevention of Cruelty to Children. The abusive nature of Tony and Whitney's relationship resulted in over 200 complaints being made to the BBC and television regulatory body Ofcom by members of the public, with the storyline deemed "horrifying" by the "Daily Mail"<nowiki>'s</nowiki> Lizzie Smith, and "one of the darkest and most disturbing storylines "EastEnders" has ever attempted" by "The Mirror"<nowiki>'s</nowiki> Beth Neil. The NSPCC however praised the storyline for "helping to raise awareness of the hidden nature of sexual abuse".