Game of Thrones appeared in the new series of Sex Education.Gleeson played the evil Joffrey Baratheon in the hit television show before the character met his demise in season four.Eagle-eyed fans spotted Gleeson, who looks unrecognisable from his Thrones character, in the news season as Dodgy Mo, a friend of Sean, the brother of Maeve Wiley (Emma Mackey).One fan wrote of the appearance, “Joffrey, what are you doing here?” while another added, “what’s Joffrey doing in sex education?!” See more of the fan reaction here:You can see some more of the fan reaction to Gleeson’s appearance here:Joffrey, what are you doing here? HaHa