The stars of Mrs Brown's Boys were left in fits of laughter after an epic blunder during the popular sit-com.In the News Years special, Mrs Brown discovered her husband Redser Brown had a son she didn't know about.In another scene, Winnie McGoogan (Eilish O'Carroll) asked her about it.Mrs Brown (Brendan O'Carroll) replied: "I contacted him, I told him to call over here."Winnie said: "Oh when?", to which Mrs Brown said: "Whenever he likes."Then Winnie remarked: "You don't seem very put out Agnes!"In the hilarious moment, Brendan O'Carroll said while trying to stay in character: "It's a different scene."Eilish couldn't hold it together as she exclaimed: "It's a different scene completely", before bursting into a fit of giggles.The pair, who