There is that stereotype of a nerd with the high pants and pocket protector and that kind of thing. That can sustain comedy for maybe a movie - hence the 'Revenge of the Nerds' franchise - but not for hopefully years on the air. It's a sight gag, not a story.
“One of my very greatest fears as a child was being ridiculed in public. And there it was coming true. As a television presenter, I'd been respected. People come up to you in the street and shake your hand and talk to you in a respectful way.”
“Acting gives you cosmic permission to take a trip in movies that lasts 24 hours a day, seven days a week, until the film is finished.”