"The Shiny Trinket Maneuver" -- Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Leonard (Johnny Galecki, left) and Raj (Kunal Nayyar, center) help Howard (Simon Helberg, right) come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Sheldon (Jim Parsons, center, standing) gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Leonard (Johnny Galecki, second from left, foreground) and Raj (Kunal Nayyar, far left) help Howard (Simon Helberg, far right) come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Penny (Kaley Cuoco, center) helps Sheldon (Jim Parsons, left) when he gets in trouble with Amy (Mayim Bialik, right) by being unimpressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard (Simon Helberg, right) must come to grips with Bernadette's (Melissa Rauch, left) dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard (Simon Helberg, right) must come to grips with Bernadette's (Melissa Rauch, left) dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Penny (Kaley Cuoco, right) helps Sheldon (Jim Parsons, right) when he gets in trouble with Amy by being unimpressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Penny (Kaley Cuoco, right) helps Sheldon (Jim Parsons, right) when he gets in trouble with Amy by being unimpressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard (Simon Helberg, right) must come to grips with Bernadette's (Melissa Rauch, left) dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"The Shiny Trinket Maneuver" -- Leonard (Johnny Galecki, right) listens to Sheldon (Jim Parsons, left) explain how he got in trouble with Amy by being unimpressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children, on THE BIG BANG THEORY, Thursday, Jan. 12 (8:00 - 8:31 PM, ET/PT) on the CBS Television Network. Photo: Monty Brinton/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved