• The episode title of course refers to a popular party game. In the PRO episode, “Mindwalk”, the Protogies where had to communicate with Dal using charades, because he didn’t learn any Morse code.

• Both Nurse Chapel’s and Spock’s personal logs gives us a stardate of 1789.3.

Episode	Stardate
“The Broken Circle”	2369.2
“Ad Astra per Aspera”	2393.8
”Tomorrow and Tomorrow and Tomorrow”	1581.2
”Among the Lotus Eaters”	1630.1
”Among the Lotus Eaters”	1630.3
”Among the Lotus Eaters”	1632.2

• The USS Enterprise is travelling to the Vulcan system, first seen in “Amok Time”.

    • Alternatively, one could argue that the first visit to the Vulcan system was when the Enterprise visited the planet Delta Vega to affect repairs after sustaining damage attempting to travel through the Galactic Barrier in “Where No Man Has Gone Before”. Delta Vega is also the planet that Nero marooned prime Spock on (and Kelvin Spock marooned Kelvin Kirk on) in 2009’s “Star Trek”, and Spock was able to watch the destruction of Vulcan. In an interview, Robert Orci claimed they ”moved” the planet for the film because the easter egg of the name was more important than coming up with a new name fans wouldn’t be familiar with.

        • Both the 2011 Kelvin universe “Star Trek“ comic series, and “The Enterprise War” novel attempt to reconcile this by claiming there are two Delta Vegas.

• We learn of the Kerkhov moon, and the fact that there was an ancient civilization there that vanished at one point. Other ancient civilizations which have disappeared from the galaxy leaving behind only ruins and mystery are:

    • The Greek Gods

    • The Arretans

    • The Preservers

    • The Tkon Empire

    • The Iconian Empire

    • The D’Arsay

    • The Hur’Q

• The Vulcan Science academy was first mentioned in “Journey to Babel”.

    • On Vulcan they preface everything by distinguishing that it’s Vulcan because it’s important to them that the rest of the galaxy be aware that it’s theirs.

• ”What are Korby’s three principles of archaeological medicine?” Spock mentioned Roger Korby is referred to as the Pasteur of archaeological medicine in “What Are Little Girls Made Of?”

    • Roger Korby will be Chapel’s future fiancée.

• The notion that Vulcans use nasal suppressants to overcome how debilitatingly pungent humans are was introduced in “The Andorian Incident”.

    • ”Not to be indelicate, Captain, but the scent of humans is something most Vulcans must become…used to.” Spock grew up with a human mother, and human adopted sister.

    • In “Broken Bow” Archer comments that Vulcan females specifically have a heightened sense of smell, but in “The Andorian Incident” it is a male Vulcan monk who comments that the smell aboard the NX-01 “must be intolerable.”

        • Later in this episode, T’Pril repeats the claim that Vulcan women are more sensitive to odours.

• ”I am still not speaking to my father.” It was established in “Journey to Babel” that Spock had not spoken to Sarek in 18 years, which would mean their communication ceased nine years prior to this episode.

• The shuttlecraft Spock and Chapel take to scan Kerkhov is the Cervantes, which was previously used on the mission to investigate the USS Peregrine after it was divested by Gorn hatchlings in “All Those Who Wander”, and transported Captain Pike, La’an, and Doctor M’Benga down to Rigel VII where they lost their memories and were subject to a Starfleet yeoman turned Tyrant in “Among the Lotus Eaters”, and maybe they should leave the *Cervantes” in the shuttlebay next time.

    • The Cervantes is also the shuttle Ortegas pilots herself, Chapel, and Uhura in back to the anomaly when they revisit it.

• ”The Vulcan Science Academy would be lucky to have someone of your experience.” “Battle of the Binary Stars” established that as of 2249, ten years earlier, Michael Burnham was the only human to have attended the Vulcan Science Academy. However, in “Brother” in 2257, Paul Stamets had accepted a full time teaching position there, so they weren’t entirely opposed to the idea.

• After the Cervantes crash, Spock had to be healed by the Kerkhovians who made him fully human. In “Faces” a Vidiian scientist split B’Elanna Torres into two separate beings, one fully human, and the other Klingon. The Klingon died to save her human counterpart during the escape, and the Doctor was later able to restore B’Elanna to her hybrid self using genetic material from the deceased Klingon.

    • In “Spock Amok” Spock had a dream that he was human, fighting a fully Vulcan counterpart, but he later lied and claimed that in his dream he was the fully Vulcan half.

• The episode cuts off before Spock can finish saying, “What the fairly intriguing development.” As we all know, Spock was unfamiliar with profanity until visiting Earth’s 1980s in “Star Trek: The Voyage Home” despite living on a starship and closely working with one Doctor Leonard McCoy.

• As a human Spock chooses to eat bacon despite most Vulcans including himself being vegetarian. In “All Our Yesterdays” Spock appears to be disgusted with himself for enjoying consuming animal flesh after being transported to the past causes him to regress to an earlier stage of Vulcan cultural development. As we all know, all humans eat meat, and this scene certainly didn’t disgust any vegans who might be watching and then later writing a point form list of how the episode ties in to other Trek canon.

    • According to T’Pol in “Broken Bow”, Vulcans also do not touch food with their hands, but we see Spock picking up the bacon with his fingers here. Of course, Spock also touched his food with his hands in “All Our Yesterdays” as well as his marshmallow in “Star Trek: The Final Frontier” so perhaps that’s a cultural practice that fell out of usage between ENT and DIS/SNW/TOS.

        • Later this episode, Sevet does not hesitate to go in on some tevmel with his hands.

• ”I just thought that my field work would be relevant.” In “Journey to Babel” Kirk argued to Amanda Grayson that Spock’s time aboard the Enterprise was “a better opportunity for a scientist to study the universe than he can get at the Vulcan Science Academy.”

• ”She did seem awfully enthusiastic about purchasing dilithium.” The Federation of this era is a moneyless society, as established in such episodes as:

    • “Mudd’s Women” - The character of Harry Mudd is transporting three women around to find them husbands out of the goodness of his heart, and lithium miners on Rigel XII offer to give the crystals to the Enterprise for free.

    • “Errand of Mercy” - Kirk intimates to Spock that Starfleet would not be troubled by their potential deaths, because their training cost nothing.

    • “Catspaw” - Lieutenant DeSalle says he would make a bet on the effectiveness of their strategy, but there is no money and hence no gambling.

    • “The Trouble With Tribbles” - Cyrano Jones gives away exotic animals, and no one pays for drinks at the bar, because what would they pay with?

    • “The Escape Artist” - We see several android duplicates of Harry Mudd captured by concerned citizens intending to hand him over to Federation authorities, because there’s no need to collect a bounty when everything is free. Also, Mudd doesn’t complain about Federation taxes, because what would they tax?

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