LONDON - Benedict Cumberbatch and Martin Freeman have signed up for a fourth season of BBC hit detective drama Sherlock, Radio Times magazine reported on its web site Tuesday.
"We've agreed to two more series, but I could get into trouble for saying that," it quoted Cumberbatch as saying. "All I know at the moment is I'm doing these three [episodes of the upcoming third season] and another three."
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Cumberbatch stars as Sherlock Holmes in the series, with Freeman playing sidekick Dr. Watson. In the U.S., the show airs on BBC America.
The actor also said that he would love to see the show continue beyond a fourth season, but emphasized that it would all depend on the schedules of the co-stars and co-creator Steven Moffat, who also serves as showrunner for sci-fi evergreen Doctor Who.
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Cumberbatch and Freeman have been busy with Hollywood projects. The former stars in the Star Trek sequel Star Trek Into Darkness, while the latter features in the franchise The Hobbit.
Production on the third season of Sherlock will start next week. BBC1 is expected to air it this fall.