The IT Crowd creator Graham Linehan has revealed that he tries to avoid character progression on the show.

Speaking to Sky, the writer explained that lead roles Roy (Chris O'Dowd), Moss (Richard Ayoade) and Jen (Katherine Parkinson) never learn from their mistakes.

"There'll be no hugging, no learning, no character arcs and no-one gets any wiser," he said. "I'm keeping them in a state of nervous stasis I guess.

"I've tried to continue the idea that Roy, Moss and Jen are becoming better friends and are enjoying each other's company a bit more."

He also applauded the "great cast" and credited the show's variety of styles for its continued success.

"There's an unspoken belief among too many people, including writers, that scripts are just dialogue when actually they are also about what happens visually," he explained.

"For example, the big set piece moments… they're usually visual. So I always try and keep the dynamic going of visual joke followed by dialogue passage, followed by one-liner, followed by musical joke, and so on, just to keep it interesting and have dynamics."

The fourth series of The IT Crowd is currently airing on Channel 4.

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