12 Moments From "The Hook-Up Reverberation"

1. "The Hook-Up Reverberation"

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny. Also, the guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Simon Helberg and Melissa Rauch Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Reading comics

2. Reading comics

The guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Kunal Nayyar, Jim Parsons, Simon Helberg and Johnny Galecki Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Penny

3. Penny

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny (Kaley Cuoco-Sweeting), on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Amy and Penny drink wine together

4. Amy and Penny drink wine together

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny (Kaley Cuoco-Sweeting, left), on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Also pictured: Mayim Bialik (right) Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Sheldon goes to Amy with his idea

5. Sheldon goes to Amy with his idea

The guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Jim Parsons and Mayim Bialik Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Raj and Emily

6. Raj and Emily

Raj's (Kunal Nayyar, right) honesty about his past comes back to haunt him after his girlfriend, Emily (Laura Spencer, left), is cold to Penny, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Raj brings Emily around his friends

7. Raj brings Emily around his friends

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Kunal Nayyar, Laura Spencer, Jim Parsons, Johnny Galecki and Kaley Cuoco-Sweeting Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
The crew and Emily

8. The crew and Emily

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny. Also, the guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Laura Spencer, Simon Helberg, Melissa Rauch, Mayim Bialik, Jim Parsons, Johnny Galecki and Kaley Cuoco-Sweeting Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Hanging out in the comic book store

9. Hanging out in the comic book store

The guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Simon Helberg, Kunal Nayyar, Johnny Galecki and Jim Parsons Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Penny and Emily

10. Penny and Emily

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily (Laura Spencer, left), is cold to Penny (Kaley Cuoco-Sweeting, right), on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Raj is honest about his past

11. Raj is honest about his past

Raj's honesty about his past comes back to haunt him after his girlfriend, Emily, is cold to Penny, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Laura Spencer, Kunal Nayyar and Kaley Cuoco-Sweeting Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.
Talking with Stuart

12. Talking with Stuart

The guys consider becoming part-owners in Stuart's comic book store, on THE BIG BANG THEORY, Monday, Oct. 6 (8:00-8:31, ET/PT), on the CBS Television Network. Pictured left to right: Kevin Sussman, Simon Helberg and Melissa Rauch Photo: Sonja Flemming/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.