'Sherlock' hints at series 3, confirms series 4

'Sherlock' hints at series 3, confirms series 4

Benedict Cumberbatch and Martin Freeman will return despite fall of 'Sherlock,' Comic-Con reveals

By Abby Hamblin 3:15 P.M.JULY 18, 2013Updated3:17 P.M. U.T. SAN DIEGO

“Benedict is really quite puppy-ish and sort of bubbly, and Martin is much more direct and earthed. Maybe they should just put each other’s costumes on,” Moffat said.

"They have a natural chemistry,” Gatiss said. "They're just completely different people, very much like Sherlock and John are. They really have a good laugh that (translates) onto the screen — how much love there is behind the cameras."

The panel offered a sneak peak at an upcoming episode that depicts Watson's wedding, and Sherlock and Watson share a beautiful moment when they establish they're best friends.

Other than that, Moffat, Vertue and Gatiss were very tight-lipped about what is to come for the show.

As for how long the show will go on telling the famous “Sherlock” story, Vertue said the future looks good.

“As long as everyone wants to keep doing it, and they do, then we will keep doing it,” she said.

The producers did confirm that both Martin and Cumberbatch are signed on for series four.

“Sherlock” will premiere its third series on PBS Masterpiece in early 2014.

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