Everything is connected. EVERY-THING.
This post is full of spoilers, and not just for season four, but for the entire series. If you haven't watched every episode yet, proceed at your own risk.
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Kirsten Dunst appears in the episode "USS Callister".
Jesse Plemons, who played Infinity CTO Robert Daly, is the actress's fiancé, so she did a surprise cameo.
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Aaron Paul also made a special appearance.
At the end of the episode, the troll with user name gamer691 who yells at the crew is Aaron Paul, who also acted alongside Jesse Plemons in Breaking Bad.
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Elena, the receptionist, is using the same dating app that appears in the episode "Hang the DJ" later in the season.
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In fact, the app made an appearance in an earlier season as well.
The protagonist of "Playtest" (from season three) uses it to hook up during his travels around Europe.
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"USS Callister" was also not the first time we had seen actress Michaela Coel on Black Mirror.
Coel appeared on the episode "Nosedive" in the third season. She's the airport employee who doesn't allow the protagonist to board the flight.
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In that first episode, the planets that are mentioned, Skillane IV and Rannoch, are both references to the names of the killers in the season two episode "White Bear".
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In "Arkangel", Sara watches a violent scene on her tablet that probably looked familiar.
It's actually a clip from the third season episode "Men Against Fire".
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And her lunchbox has an old friend on it too!
See it down on the bottom of the stroller? It's Waldo from the second season episode "The Waldo Moment".
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When she's a bit older, Sara has a peculiar poster adorning the ceiling of her bedroom.
It's a poster for the game Harlech Shadow, the same one that is vital to the plot of "Playtest" during the third season.
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One of the porn movies featured in the hotel in "Crocodile" is Best of Wraith Babes.
Wraith Babes was the porn show that was featured in "15 Million Merits" from season two.
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The song "Anyone Who Knows What Love Is (Will Understand)" is used several times throughout "Crocodile".
The song has made several appearances on Black Mirror and has been played in previous episodes such as "Fifteen Million Merits", "White Christmas", and "Men Against Fire".
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The pizza restaurant that appears in "USS Callister", Fences Pizza, is responsible for the accident in "Crocodile".
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The article about the missing person in "Crocodile" has a secret message if you're paying close enough attention.
It reads: "'Of course the real question is why anyone would pause what they're watching just to read a sentence in a printed out newspaper article', says a voice in your head - before advising you to go and share this finding on Reddit." (Don't worry, someone already shared it on Reddit.)
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In the abandoned house in "Metalhead", there is a postcard of San Junipero, in reference to the episode of the same name from the previous season.
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The season finale, "Black Museum", is full of easter eggs.
For example, among the objects in the museum is the DNA-scanning machine from "USS Callister".
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Also an artificial bee from "Hated In The Nation", from the third season.
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As well as the tablet that Sara uses to hit her mom in "Arkangel".
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The bathtub from "Crocodile".
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And in the background of one of the shots is a recreation of the suicide from the end of "The National Anthem".
The person who orchestrated the series of events culminating in his own suicide at the end of the first episode of the series.
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The mask worn by the hunter in "White Bear" from season two.
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In the background of this shot is the gaming system from "Playtest".
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As well as an egg that looks like the ones used in "White Christmas" to store human consciousness.
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The mice that are experimented on are named Hector and Kenny.
Which are the names of the main characters in the third seasons episode "Shut Up and Dance", who are blackmailed into doing stuff against their wills.
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Later on, Jack is reading a comic book called 15 Million Merits, which you should recognize from season two.
In fact, what he's reading seems to be the climax of the season two episode of the same name.
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Finally, the last episode of the season includes several references to "San Junipero".
The company that develops the technology to store consciousness is called TCKR, the same company that appears in "San Junipero". At some point, the museum owner says that he used to work at the St. Juniper hospital and Nish mentions when "they get old people on the cloud", in reference to the premise of the "San Junipero" episode.
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If you thought you had seen it all, open your eyes, because who knows what other surprises may be hidden in Black Mirror.
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This post was translated from Spanish.
via BuzzFeed/Travel
