When Wolowitz is asked by NASA to throw the first pitch at a Los Angeles Angels Game, he worries about embarrassing himself in front of a huge crowd. Meanwhile, when Sheldon claims that he and Amy are the "superior couple" to Leonard and Penny, they set out to prove him wrong.

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Guest Stars: Mike Massimino as Himself

Writers: Chuck Lorre (Story), Jim Reynolds (Story), Anthony Del Broccolo (Story), Steven Molaro (Teleplay), Steve Holland (Teleplay), Maria Ferrari (Teleplay)

Director: Mark Cendrowski

Viewers: 16.38 million Households Rating: 10.8/16 Adults 18-49 Rating: 4.8/15

After being asked to throw the first pitch at an L.A. Angels game, Howard is practising his throwing technique on a video game in Sheldon and Leonard's apartment, while Raj heckles him to make the experience more realistic. Later, Sheldon and Amy return to the apartment after their date night. When Amy mentions going to a movie the night after, Sheldon explains to Leonard and Penny that they're going on two consecutive date nights because he missed a number of date nights when he was away. Sheldon invites Leonard and Penny along on their next date, though he quickly loses his enthusiasm when Amy points out a double date does not count as two of Sheldon's contractually-obligated dates.

As Sheldon and Amy, and Leonard and Penny prepare to go on their double date, Sheldon tells Amy to ignore Leonard's joke about their relationship as he's just jealous of their superior relationship. Sheldon states that the qualitative order of the relationships in their social group is: Sheldon & Amy, Howard & Bernadette, Raj & Emily, Penny & Chardonnay, and Penny & Leonard. Meanwhile, Howard is practising his throw at the Caltech gym with Bernadette and Raj. Later, as Leonard drives the couples to the pub, Leonard wants to know why "Shamy" is the better couple.

At the pub, Sheldon explains this his opinions on the relationship are based on the research of Berscheid, Snyder and Omoto. When Leonard wants to take Sheldon's relationship inventory to rate their relationship, Penny leaves the table as she doesn't want to take the test. When Leonard follows her and asks if she's mad at him, Penny explains she doesn't want to take the test in case it adds to her worry about the stability of their relationship. Leonard reveals that even he worries about them getting married, and tells Penny that the worry is something they both have in common and that shows they're on the same page.

It's the big day for Howard at Angel Stadium as he prepares to throw the first pitch. When he's handed a baseball and a microphone, he explains how he didn't think a guy like him would be able to do this since he's a scientist, not an athlete. Howard then unveils a working prototype of the Mars rover which will deliver the ball to home plate. The crowd is initially impressed by Howard's display, until the rover moves extremely slowly and will take ages to reach the home plate, at which point the crowd - including Sheldon and Raj - starts booing Howard.