CHAOS ENSUES WHEN LEONARD'S RECENTLY DIVORCED PARENTS AND SHELDON'S DEVOUTLY RELIGIOUS MOTHER COME TO TOWN, ON A REBROADCAST OF THE NINTH SEASON FINALE OF "THE BIG BANG THEORY," THURSDAY, SEPT. 1

Emmy Award Winner Judd Hirsch Guest Stars as Leonard's Father, Alfred

Christine Baranksi Returns as Leonard's Mother, Beverly, and Laurie Metcalf Returns as Sheldon's Mother, Mary

"The Convergence Convergence" - Chaos ensues when Leonard's recently divorced parents, Alfred (Judd Hirsch)
and Beverly (Christine Baranski)
, and Sheldon's devoutly religious mother, Mary (Laurie Metcalf)
, come to town. Also, Wolowitz and Koothrappali think the government is out to get them when they are contacted about their guidance system, on a rebroadcast of the ninth season finale of THE BIG BANG THEORY, Thursday, Sept. 1 (8:00-8:31 PM, ET/PT) on the CBS Television Network. (Originally broadcast 5/12/16.)

REGULAR CAST:

Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)

RECURRING CAST:

Christine Baranski (Beverly)
Laurie Metcalf (Mary)

GUEST CAST:

Judd Hirsch (Alfred)
Marcus Folmar (Police Officer)

WRITTEN BY: Steven Molaro & Tara Hernandez & Adam Faberman

TELEPLAY BY: Chuck Lorre & Steve Holland & Jeremy Howe

DIRECTED BY: Mark Cendrowski