The guys camp out to attend a screening of Raiders of the Lost Ark featuring 21 seconds of never-before-seen footage. When the guys find themselves at the back of the line, Sheldon is given another reason to hate his nemesis Wil Wheaton. Meanwhile, Penny's girl night with Bernadette turns into a slumber party when Amy invites herself along.

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Guest Stars: Melissa Rauch as Bernadette, Mayim Bialik as Amy Farrah Fowler, Wil Wheaton as Himself, Eric Andre as Joey

Writers: Chuck Lorre (Story), Bill Prady (Story), Jim Reynolds (Story), Lee Aronsohn (Teleplay), Steve Holland (Teleplay), Steven Molaro (Teleplay)

Director: Mark Cendrowski

Viewers: 13.11 million Households Rating: 7.7/13 Adults 18-49 Rating: 4.2/12

While the guys watch Raiders of the Lost Ark, they're surprised to hear Penny has never seen the movie before. Howard invites her along with them to watch the film on Friday with twenty-one seconds of previously unseen footage. Later that week, the guys are the Cheesecake Factory five hours before the movie is screened. Sheldon gets agitated at the thought of missing the start of the movie and is pestering his friends to hurry up. Meanwhile, Amy learns that Bernadette is joining Penny for a girl's night in. Amy goes over to Penny and invites herself along.

At the theater, the guys walk to the back of the line as Sheldon points out where they would have been if they'd gotten there earlier. At Penny's apartment, Amy is filling the girls in on our unusually firm cervix, when Penny points that girl talk isn't always specifically about their lady parts. When the wine starts flowing, Penny suggests the girls sleep over, leading to excitement from Amy at attending her first slumber party.

Sheldon is woken up from his nap when Raj points out they might not get into the theater to see the movie. Wil Wheaton walks up and, after mocking Sheldon, cuts in line and gets his friends in before everyone else. Back at Penny's apartment, after they do each other's nails, Penny makes a prank phone call to Sheldon.

When the guys reach the theater door, the attendant blocks from entering, As they are leaving in disappointment, Sheldon notices a side door and runs into the theater. Elsewhere, an inappropriate question about Penny and Leonard's relationship causes Penny to leave the girls' game of Truth or Dare. When the guys find Sheldon in the theater, he's holding the movie print and, after Wil Wheaton sees him, runs out of the theater.

Back at the apartment, Amy's plan to console Penny is even more inappropriate at she tries "harmless experimentation with lesbianism".