Emmerdale S37 E208 Episode 5118 (Thu 16th Oct 2008)

Bob turns up at the prison for his first day as the new drama teacher and Viv is gobsmacked. Bob picks Viv to 'run through some lines' and whispers to her that he loves her. Viv is distraught and blurts out to the inmates that Bob is her husband before declaring her love and fleeing.