The series revolves around a computer program for the federal government known as "The Machine" that is capable of collating all sources of information to predict terrorist acts and to identify people planning them.
According to Nielsen Media Research, the episode was seen by an estimated 5.49 million household viewers and gained a 0.9/3 ratings share among adults aged 18–49.
Fusco and Bear arrive at the eventual demolition site, finding many of the missing persons he has been investigating, including Krupa and a dead Moran and Howard.
After failing to advance more in the simulations, Greer (John Nolan) takes Shaw (Sarah Shahi) to a field day in some places in the area to convince her to bend her moral compass in favor of Samaritan.
In its original American broadcast, "A More Perfect Union" was seen by an estimated 5.49 million household viewers and gained a 0.9/3 ratings share among adults aged 18–49, according to Nielsen Media Research.
Matt Fowler of IGN gave the episode a "great" 8 out of 10 rating and wrote in his verdict, "The most interesting stuff in 'A More Perfect Union' was happening on the outskirts, with Fusco and Shaw, and not within the weekly case.
"[5] Chancellor Agard of Entertainment Weekly wrote, "While I didn't quite like this episode, it was still a good example of the hard work the show put into developing its main cast and how that's paying off right now.
"[6] Sean McKenna of TV Fanatic gave the episode a 4.3 star rating out of 5 and wrote "OK, so their nuptial adventure had more fighting off hitmen than avoiding stage five clingers, but there were still some humorous moments on 'A More Perfect Union'.