First Look: Amy And Sheldon Prep For A Big Night On The Big Bang Theory

Arthur Jeffries (Bob Newhart) appears in Sheldon's dream to offer advice.

Arthur Jeffries (Bob Newhart) appears in Sheldon's dream to offer advice.

Dr. Arthur Jeffries, played by Bob Newhart, appears to Sheldon in a dream to offer some words of wisdom. Then, after more than five years of dating, ShAmy decide to spend their first night together.

Plus, at nearly the same time, Leonard, Howard, and Raj must decide who they'll bring with them to see Star Wars: The Force Awakens on "The Opening Night Excitation," which airs on Thursday, Dec. 17 at 8/7c. 
Howard, Raj, Leonard, and Sheldon anxiously wait for Star Wars tickets to go on sale.

Howard, Raj, Leonard, and Sheldon anxiously wait for Star Wars tickets to go on sale.

"The Opening Night Excitation" (Season 9, Episode 11) 
Raj, Leonard, and Howard strategize their plan of attack for Star Wars.

Raj, Leonard, and Howard strategize their plan of attack for Star Wars.

"The Opening Night Excitation" (Season 9, Episode 11) 
Sheldon prays for answers.

Sheldon prays for answers.

"The Opening Night Excitation" (Season 9, Episode 11) 
Amy is perplexed by a phone call from Sheldon.

Amy is perplexed by a phone call from Sheldon.

"The Opening Night Excitation" (Season 9, Episode 11) 
Sheldon chats with Penny and Bernadette.

Sheldon chats with Penny and Bernadette.

"The Opening Night Excitation" (Season 9, Episode 11) 
Amy is all smiles with Penny and Bernadette.

Amy is all smiles with Penny and Bernadette.

"The Opening Night Excitation" (Season 9, Episode 11) 
Wil Wheaton dresses in costume for opening night of Star Wars.

Wil Wheaton dresses in costume for opening night of Star Wars.

"The Opening Night Excitation" (Season 9, Episode 11) 
Wil Wheaton makes a grand entrance into the movie theater.

Wil Wheaton makes a grand entrance into the movie theater.

"The Opening Night Excitation" (Season 9, Episode 11) 
Amy is in the mood to celebrate.

Amy is in the mood to celebrate.

"The Opening Night Excitation" (Season 9, Episode 11) 
Howard, Raj, and Leonard sit at the movies with Wil Wheaton.

Howard, Raj, and Leonard sit at the movies with Wil Wheaton.

"The Opening Night Excitation" (Season 9, Episode 11) 
Sheldon brings Amy flowers for her birthday.

Sheldon brings Amy flowers for her birthday.

"The Opening Night Excitation" (Season 9, Episode 11) 
Amy and Sheldon prepare to take their relationship to the next level.

Amy and Sheldon prepare to take their relationship to the next level.

"The Opening Night Excitation" (Season 9, Episode 11) 
Amy moves closer to Sheldon.

Amy moves closer to Sheldon.

"The Opening Night Excitation" (Season 9, Episode 11) 

Watch what happens when The Big Bang Theory airs on Thursday, Dec. 17 at 8/7c.