The Big Bang Theory (2007–2019)
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The Higgs Boson Observation 

When Sheldon hires a female grad student to assist him, a jealous Amy asks Penny to help her spy on them. On the space station, Howard begins behaving erratically.


Mark Cendrowski


Chuck Lorre (created by), Bill Prady (created by) | 7 more credits »




Episode complete credited cast:
Johnny Galecki ... Leonard Hofstadter
Jim Parsons ... Sheldon Cooper
Kaley Cuoco ... Penny
Simon Helberg ... Howard Wolowitz
Kunal Nayyar ... Raj Koothrappali
Mayim Bialik ... Amy Farrah Fowler
Melissa Rauch ... Bernadette Rostenkowski
Pasha D. Lychnikoff ... Dimitri (as Pasha Lychnikoff)
Margo Harshman ... Alex Jensen


Sheldon needs someone to read through the works he did during his elementary school days, to find out if he has made a scientific breakthrough that was Nobel Prize worthy, since he thinks his time is too important to do the task himself. He eventually hires an attractive Physics grad student named Alex Jensen. When Alex answers Amy's video call to Sheldon, Amy gets shocked to learn that Alex is a girl. Amy and Penny go to Caltech to spy on them. In the cafeteria, it turns out that Alex is flirting with Leonard, much to Amy's relief and Penny's surprise. Penny has to consider that Leonard is attractive to other women. Meanwhile, Howard tells Bernadette that he have a layover in space of an additional 7 - 10 days. He is sick of his time in space and is having bad anxiety attacks that is causing erratic behavior. Written by laird-3

Plot Summary | Plot Synopsis


Comedy | Romance


TV-PG | See all certifications »

Did You Know?


The title refers to Sheldon noticing how the discovery of the Higgs boson particle was postulated fifty years ago and how Sheldon has Alex review his past work looking for discovery that might help him win the Nobel Prize. See more »


At 15 minutes, Penny and Amy are riding in a car, and their seatbelt-wearing status changes between shots. See more »


Alex Jensen: I'm Alex, Dr. Cooper's new assistant.
Leonard Hofstadter: Nice to meet you, and may God have mercy on your soul.
See more »

Crazy Credits


I'm reluctant to use my vanity cards to plug the sale of my vanity card book. That doesn't mean I won't do it, I'm just reluctant. Or perhaps the better word is ambivalent - of two minds. On the one hand it seems a bit shameless to ask people to spend money on a beautifully bound, giant coffee table book filled with amusing stories and biting witticisms, each high-gloss page handsomely illustrated and ready for framing. On the other, it sure would make a dandy holiday gift for that special someone in your life who already has an iPod Nano. Of course, the fact that the book contains some original material which is sure to stir up some old controversies is by no means reason to buy it. Then again, how can you miss out on owning something that is so perfectly suited for toilet reading? The answer is, you can't. Take it from me, don't suffer from ambivalence. Enjoy the clarity of thought and purpose that comes from being of one mind - a mind that says, "I'm gonna go online right now and order me a copy of 'What Doesn't Kill Us Makes Us Bitter.'"

Okay, so I'm shameless, sue me. Oh wait, that's already been done. See more »


References Sesame Street (1969) See more »


History of Everything (Instrumental version)
Written by Barenaked Ladies
Performed by Barenaked Ladies
[Instrumental version of series theme song played over the closing credits]
See more »

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Release Date:

11 October 2012 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:

Dolby Digital



Aspect Ratio:

16:9 HD
See full technical specs »

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