He was discussing how actor Ncuti Gatwa had “dazzled” him in his audition to be the new Time Lord in Doctor Who.
Gatwa will be the 14th actor and the first Black man to play the Doctor in the beloved, long-running science-fiction franchise.
The Guardian’s Lucy Mangan, meanwhile, wrote: “All the performances in Sex Education are absolute wonders, by the way, but Gatwa is something particularly special.
Speaking about diversity casting, Gatwa said of the Time Lord: “He is literally an alien – ‘they’ are an alien.