http://www.ew.com/article/2016/05/11/big-bang-theory-season-9-finale-spoilers

The Big Bang Theory will finally welcome Leonard’s father to the show during Thursday’s season finale (http://www.cinemablend.com/television/Awkward-Way-Big-Bang-Theory-End-Season-9-137377.html) - which could shockingly lead to a big change for the lovable geeks in Pasadena. In the penultimate episode, Leonard’s mother Beverly (Christine Baranski (https://www.yahoo.com/tv/big-bang-theory-finale-sets-205617365.html)) revealed her displeasure over not being invited to Leonard (Johnny Galecki) and Penny’s (Kaley Cuoco) shotgun Vegas wedding. “Penny thought it would be nice to have a little informal ceremony to renew their vows and this would be an opportunity for them to actually invite their friends and family to be there for it,” executive producer Steve Molaro says of the finale. “That opens the door for us to meet Leonard’s father, Alfred.” Alfred (Judd