BBC Worldwide's Annual Review for 2011 has been released, and figures show that Doctor Who has led the way for the BBC's commercial arm's success in the last year.
The series was the biggest show sold internationally last year, and is now available in over fifty territories. It saw significant growth within the United States, including becoming the third-biggest seller in the US iTunes charts (behind Mad Men and Glee). Overall, the Doctor Who franchise saw its revenue increase by 49%.
Series Five was one of the top five selling series for BBC Worldwide, with the others being the first series of Sherlock, series 15 and 16 of Top Gear, and Human Planet. In terms of revenue, the top three series were Top Gear, Doctor Who, and Waking the Dead.
Doctor Who is one of the five "power brands", along with Top Gear, Lonely Planet, BBC Earth and Dancing with the Stars; together their revenue reached £308.1m, accounting for 27% of BBC Worldwide's total of £1.16 billion.
The full report can be found via the BBC website.