Summerland and Division 3 eventually team up in order to catch Amahl Farouk from finding his original body.
In the episode, David finds that Switch's powers won't allow him to pass the barrier to time travel, prompting him to get help from Cary.
According to Nielsen Media Research, the episode was seen by an estimated 0.381 million household viewers and gained a 0.1 ratings share among adults aged 18–49.
After teleporting the compound, David (Dan Stevens) talks with Switch (Lauren Tsai) about her time travel powers.
In June 2019, it was reported that the second episode of the season would be titled "Chapter 21", and was to be directed by Carlos López Estrada and written by series creator Noah Hawley, co-executive producer Olivia Dufault, and co-producer Kate Thulin.
[1] In its original American broadcast, "Chapter 21" was seen by an estimated 0.381 million household viewers and gained a 0.1 ratings share among adults aged 18–49, according to Nielsen Media Research.
Club gave the episode a "B" grade and wrote, "The hunt is on, and with it, Legion is delivering some of the most straightforward plotting since the first half of season one.
He's trying to convince Syd to operate as a sort of emotional Trojan Horse — to pretend to become intimately involved with David again, the better to slide a knife between his shoulder blades.
The only thing that I miss this week is the use of Switch as the POV character, but I suppose there's time for that device to return down the line.