EastEnders fans will be on the edge of their seats as Billy Mitchell’s long-lost father, Stevie, makes a shocking arrival in Walford. Viewers last saw Stevie at Aunt Sal’s funeral earlier this year, where he was swiftly banned by Phil due to his past mistreatment of Billy. Now, the Mitchell family will be left reeling as Stevie’s unexpected presence threatens to disrupt their lives once more.