Music:
- Human, by The Human League, from the album Crash (1986)
- Peaches, by The Stranglers, from the album Rattus Norvegicus (1977)
- Aisha, by Death In Vegas (featuring Iggy Pop on vocals), from the album The Contino Sessions (2010)
The online series Becoming Human (2011) follows the further adventures of Adam (Craig Roberts), who will return to Honolulu Heights in the episode 4.5, Hold the Front Page (2012).
The hospital Nina (Sinéad Keenan) and George (Russell Tovey) work at is also the same hospital that Rory Williams worked in during the first episode of Doctor Who's fifth season "The Eleventh Hour"