Just one episode in, though, and fans have already convinced themselves that Helly (Britt Lower) isn't actually Helly, but her outie Helena Eagan using the breach to infiltrate the severed floor.

One crucial clue is that, of course, Helly lies to her colleagues about what she saw in the outside world - something that Irving (John Turturro) is immediately suspicious of. She says she saw a gardener (working at night), and that she told him everything about Lumon, apologising to her colleagues that she didn't do more.

Seven Severance Questions is a weekly attempt to digest the events of one of television’s twistiest shows by highlighting the weirdest, most confusing, and most important unresolved issues after each episode. There will be theories. Many will be unhinged.