Episode 7779 ( 13th January 2012 ) Plot . When Owen takes some food to the fish in the pond with Anna , he notices a problem . The creosote can is in the water , and dead fish float to the top . In a rage , Owen immediately blames Kylie and David . He bursts in to No . 8 and pins David up against a wall . Anna , Gail and Kylie try to get Owen to stop . Owen challenges Gail to go ahead and call the police and David can then tell them why he ' s killed the fish . Tina thinks that Kirsty ' s lying about being pregnant . Tommy is concerned too , that Tyrone will fall for Kirsty again . David and Kylie claim to have had nothing to do with the fish dying . Owen wants an apology and reimbursing , otherwise he ' s going to the police and the RSPCA tomorrow . Becky tells Steve that if he gives her another cheque they can call it quits . Steve refuses and says that Becky will have to fight him in court . Tyrone is relieved when Kirsty reappears at her empty bed in hospital . Kirsty is hopeful they can work things out . Tommy is taking care of Tina at home , happy to be close to her . Kirsty tells Tyrone that she can change . She was jealous but wouldn ' t be unfaithful . It ' s a lot for Tyrone to take in . Kirsty hands him the scan photo of their baby . Tyrone ' s overwhelmed . Becky turns up unannounced at Danny ' s house . He ' s pleased to see her . Becky ' s disconcerted by seeing a woman there with a little boy who calls out " Daddy ! " to Danny . Becky quickly walks away . Danny catches up with Becky and tells her that the woman is his sister . He asks Becky back to meet his son , Billy . Tommy spots Tyrone in the hospital waiting area . Tyrone seems to have already made up his mind about getting back together with Kirsty . Tommy tells him to go for it . Becky plays with Billy . Danny hadn ' t told her about Billy , not wanting to scare her off . Danny shoots Becky an admiring look for her way with Billy . Sally calls Beth ' s bluff over Frank innuendos and manages to silence her for a change . Norris offers Sylvia the chance to back out of the music competition , but Sylvia ' s having none of it . Roy has deducted the cost of Sylvia ' s phone calls to Milton from her wages . Norris and Mary are thrilled that Sylvia won ' t be able to afford coaching over the phone any more . Anna and Owen explain to Faye about the pond , Owen still convinced David and Kylie are to blame . Faye goes upstairs with a knowing smile on her face . Tyrone and Kirsty return to No . 9 and a disbelieving Tina . Tyrone tells Tina that he and Kirsty going to make a go of it . Kirsty tries apologising but is stunned when Tina tells her that she ' s reported her for harassment . Danny tells Becky that Billy ' s mum is dead . Becky explains that she can ' t have kids but loves them . Danny and Becky raucously sing " " I get knocked down but I get up again " " , then laugh and kiss passionately . Tyrone tries to mediate between Tina and Kirsty , asking Tina to forget the harassment charge . Tina casts doubt on the baby being Tyrone ' s and calls him stupid and desperate to recapture his past . Kirsty makes to leave but Tyrone stops her , telling her that it ' s their family home now . Tina is incandescent and vows to leave . Tyrone wants her to wait at least a few days until she ' s stronger . Tina claims Tyrone is trapped but can ' t see it .