User Score: 601
When Howard and Raj are testing the kissing devices, Howard complains and says Raj bit his tongue; the device only has a tongue and lips, not teeth.
When Sheldon hands Raj a roommate ID, the ID features a logo of "a gold lion rampant on a field of azure" similar to the apartment flag featured during flashback scenes of "The Staircase Implementation".
Sheldon is very afraid of hospitals here, yet in season two's "The Vartabedian Conundrum" he had no problem being in the hospital to see Dr. Stephanie Barnett.
In this episode Sheldon says that he can dance, and we see him dancing but in the episode "The Gothowitz Deviation" he says to Penny that he believes in parallel universes in which he is different in all of them, but that in none of them does he dance.
When Sheldon counts off all the times he's kissed, he left out the time Leonard's mother kissed him in "The Maternal Congruence"
We learn Bernadette's middle name is Maryann.
In World of Warcraft, mounts and pets are "Bind to Account" items which cannot be stolen and sold, only transferred to characters on the same account. The only way to sell a pet/mount is if the user never enabled the item when it was received.
Raj reveals that his parents are wealthy, claiming that they have many servants in their house in India. Howard seems surprised by this, but in "The Grasshopper Experiment" Howard is the one to point out that Raj's father drives a Bentley.
In this episode, Sheldon is shown to be mysophobic and avoids shaking hands at all costs. In "The Dumpling Paradox", he shook hands with Penny's friend Christy with no problem.
When Sheldon is reading the tweets about his guest teaching experience, he says, "I'm not familiar with the acronym 'KMN.'" This is actually not an acronym, just an abbreviation, as an acronym is required to be a pronounceable word.
This episode reveals Bernadette's last name to be Rostenkowski.
Near the end, after Sheldon says, "Howard, we're going to need some tea," he moves the eraser rapidly across the whiteboard to absolutely no effect.
Stuart's costume, as seen in the New Year's party, is the Fourth Doctor from Doctor Who.
Penny's father's name is Wyatt. This contradicts the end of Season 2's "The Maternal Capacitance," where Penny referred to him as "Bob" while opening up to Leonard's mother.
Wyatt says that he wants grandchildren before he dies, but in the season 2 episode "The Hofstadter Isotope", it is revealed that Penny has a nephew, meaning her siblings had a son, which means Wyatt already has grandkids.
We learn that Howard's middle name is Joel.
It isn't actually possible to have your characters have sex in World of Warcraft, despite Wolowitz apparently having done so.
We learn that Leonard can't eat melon.
Mary mentions having a brother named Edward (aka "Stumpy"), but he was nowhere to be seen on Sheldon's family tree he made in just the previous episode, just a brother named Carl.
Sheldon getting cats breaches two distinct continuity issues. In "The Staircase Implementation", Sheldon stated that pets are banned under the roommate agreement (with the exception of service animals). In addition, in "The Fuzzy Boots Corollary" Sheldon objects to Leonard wanting to get a cat. Leonard then replies that he had taken Sheldon's asthma into account as he found a hairless cat.
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ensemble cast, unrequited love, laugh track, girl next door, geekcentric