Coronation Street impromptu ceremony, shortly before going into cardiac arrest, although he later rallied and made a slow recovery. The episode of "EastEnders" broadcast on the same day as "Coronation Street" 50th anniversary episode included a tribute, with the character Dot Branning saying that she never missed "Coronation Street". In May 2011, Dennis Tanner returned after 43 years off screen. Beverley Callard and Vicky Entwistle who play Liz McDonald and Janice Battersby, respectively, quit the street. On 15 October 2011, Betty Driver, who had played Betty Williams since 1969, died of pneumonia, aged 91. In 2011, the major storyline of John Stape
Coronation Street the last British soap to make the switch to 16:9 ("Take the High Road" remained in until it finished in 2003). From 22 March 2010, "Coronation Street" was produced in 1080/50i for transmission on HDTV platforms on ITV HD. The first transmission in this format was episode 7351 on 31 May 2010 with a new set of titles and re-recorded theme tune. On 26 May 2010 ITV previewed the new HD titles on the "Coronation Street" website. Due to copyright reasons only viewers residing in the UK could see them on the ITV site. "Coronation Street's" creator, Tony Warren, wrote