[quote=International Business Times]
When Sherlock Season 3 ended with its Episode 3 His Last Vow (finale), fans of the show started wondering when the show would return. The answer is here. As per the speculations, Benedict Cumberbatch may return as genius detective on Sherlock Season 4 by Christmas Day 2014.

Rumors began to swirl around when The Sun reported that the makers of the show could be fast tracking the production of Sherlock Season 4 for its premiere on Christmas Day 2014.

More reports suggest that at least six more episodes will be filmed for "Sherlock" series to be shown in Season 4 and Season 5. The show saw set some records in terms of viewership during its premiere and finale of Season 3.

Benedict Cumberbatch gained prominence with his role as Sherlock Holmes in "Sherlock." Thus, he has a busy schedule which is the only cause of delay in filming of Sherlock Season 4 for which creators and fans both are eager.
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