The series follows Ye Wenjie, an astrophysicist who sees her father beaten to death during a struggle session in the Chinese Cultural Revolution, who is conscripted by the military.
Wade (Liam Cunningham) decides to hire Raj (Saamer Usmani), a commander of the Royal Navy and Jin's boyfriend, into his operation.
Realizing that Evans' ship Judgment Day is the key to communicating with the San-Ti, Clarence asks Auggie (Eiza González) for help in using the nanofiber technology.
Suddenly, all electronic displays on Earth show the words "YOU ARE BUGS", while a Sophon envelops the planet, forming a giant eye on its body and revealing the existence and power of the San-Ti.
Ben Rosenstock of Vulture gave the episode a 4 star rating out of 5 and wrote, "I can't argue too much with this style of storytelling when the results are this entertaining.
“Judgment Day” is probably the fastest-paced episode of this season, with a simple focus: a violent, morally compromising action-movie heist to procure a MacGuffin, followed by the exciting aftermath where the heroes get some of the answers they've wanted so desperately.
"[5] Johnny Loftus of Decider wrote, "The revelation that the machines won and shunted all of us into a holding pen simulation remains one of the hugest science fiction things ever.
The show's biggest weakness is that as imaginative and exciting as the twists and turns of the plot are, the characters still feel pretty flat on the whole, which to be fair is more or less in keeping with the first book in Cixin's series.
"[7] Sean T. Collins of The New York Times wrote, "Once again, 3 Body Problem closes on a horrific high note, something that seemed impossible to do in an episode featuring hundreds of julienned corpses.
"[10] Greg Wheeler of Review Geek gave the episode a 3.5 star rating out of 5 and wrote, "This explains why brilliant minds across the world all went the same way and either commit suicide or stopped their experiments.