Big Bang Theory Tonight: “The Line Substitution Solution”

Christine Baranksi returns as Leonard’s mother, Beverly, in tonight’s new episode of The Big Bang Theory.

The episode is called “The Line Substitution Solution” and here is how CBS describes it:

Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31 PM, ET/PT) on the CBS Television Network.

You can see a whole lot of preview photos below.

THE BIG BANG THEORY

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"The Line Substitution Solution" -- Pictured: Penny (Kaley Cuoco). Sheldon hires Stuart to spend the day with Amy when he'd rather go to a movie screening. Also, Leonard's mother, Beverly (Christine Baranski), comes to town and Penny struggles to make a connection with her, on THE BIG BANG THEORY, Thursday, May 5 (8:00-8:31, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved

The Big Bang Theory stars Johnny Galecki (Leonard), Jim Parsons (Sheldon), Kaley Cuoco (Penny), Simon Helberg (Wolowitz), Kunal Nayyar (Koothrappali), Mayim Bialik (Amy), and Melissa Rauch (Bernadette).

Guest stars in “The Line Substitution Solution” include Kevin Sussman (Stuart), Christine Baranski (Beverly), Blake Anderson (Trevor), and Amanda Payton (Ainsley).