Editor's note: This episode replaces the previously scheduled programming.

SHELDON AND AMY'S FAMILIES ARRIVE FOR THE WEDDING, ON A REBROADCAST OF THE 11th SEASON FINALE OF "THE BIG BANG THEORY," MONDAY, JAN. 7

Guest Stars Include Academy Award Winner Kathy Bates, Legendary Actor Mark Hamill, and Writer and Producer Teller

John Ross Bowie, Courtney Henggeler, Lauren Lapkus, Laurie Metcalf, Jerry O'Connell, Brian Posehn and Wil Wheaton Return

"The Bow Tie Asymmetry" - When Amy's parents and Sheldon's family arrive for the wedding, everybody is focused on making sure all goes according to plan - everyone except the bride and groom, on a rebroadcast of the 11th season finale of THE BIG BANG THEORY, Monday, Jan. 7 (8:00-8:30 PM, ET/PT) on the CBS Television Network. (Originally broadcast 5/10/18.)

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:

Kevin Sussman (Stuart)
Laurie Metcalf (Mary)
John Ross Bowie (Kripke)
Wil Wheaton (Himself)
Brian Posehn (Bert)
Jerry O'Connell (George)
Courtney Henggeler (Missy)
Lauren Lapkus (Denise)

GUEST CAST:

Teller (Mr. Fowler)
Kathy Bates (Mrs. Fowler)
Mark Hamill (Himself)

STORY BY: Chuck Lorre & Steven Molaro & Maria Ferrari

TELEPLAY BY: Steve Holland & Eric Kaplan & Tara Hernandez

DIRECTED BY: Marc Cendrowski