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The Big Bang Theory – Season 8, Episode 23: Full Cast & Crew Aired Apr 30, 2015 Comedy
When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores -- with a little help from his friends. TV-PG Air Date: Apr 30, 2015 See TV Episode Details

Cast & Crew

All Cast Crew
Johnny Galecki Leonard Hofstadter Actor Jim Parsons Sheldon Cooper Actor Kaley Cuoco Penny Actor Simon Helberg Howard Wolowitz Actor Kunal Nayyar Raj Koothrappali Actor Mayim Bialik Amy Farrah Fowler Actor Melissa Rauch Bernadette Rostenkowski Actor Kevin Sussman Stuart Guest Star Christine Baranski Dr. Beverly Hofstadter Guest Star Laurie Metcalf Mary Cooper Guest Star Chuck Lorre Executive Producer, Writer Bill Prady Executive Producer Steven Molaro Executive Producer, Writer Tara Hernandez Writer Jeremy Howe Writer Jim Reynolds Writer Maria Ferrari Writer Anthony Rich Director