"Episode 2.1" is the first episode of Season Two of Humans.
- When Ten became conscious, he was working at San Bartolome Mining Company in Bolivia.
- When Hester became conscious, she was working at Verso Chemical Plant in Nottingham.
- The character of Artie became conscious 52 days before the main part of this episode happened, at exactly 7:17 a.m. Pacific Standard Time (PST), or 3:17 p.m. Greenwich Mean Time (GMT).
- Nottingham, which is featured in this episode, is the hometown of Lucy Carless, who plays Mattie Hawkins in the show.