A n undisputed star of the first two chapters of Flux was Karvanista – the adorable (but don’t tell him we said that) alien cockapoo, played by Craige Els.
“It’s very difficult to rationalise any decision you make on Doctor Who,” says Chris Chibnall, of the character’s creation. “This is something I’ve wanted to do for a while. I just thought, ‘I’d really like a dog-headed warrior to come along and cause trouble for the Doctor.’ And that’s exactly what this dogheaded warrior does! It’s a really great performance by Craige.”