20/07/2015 The surprise arrest in the Lucy Beale case sends shockwaves through the Square. As the residents struggle to come to terms with the news, further truths come to light. Details Casts Title 20/07/2015 Genres Soap Drama Crime Release Date 2015-07-20 Episode Runtime 00 Hours 30 Minutes Season Number 31 Episode Number 115 Production Companies BBC Studios Drama Productions June Brown Dorothy Branning Gillian Taylforth Kathy Rudolph Walker Patrick Adam Woodyatt Ian Beale