We finally have a trailer for ‘Holmes & Watson’, Will Ferrell and John C. Reilly’s comedic take on Sir Arthur Conan Doyle’s famous characters.

Ferrell plays Sherlock Holmes while Reilly plays John Watson. The cast also features the likes of Rebecca Hall, Ralph Fiennes, Rob Brydon, Kelly Macdonald, Hugh Laurie and Steve Coogan.

The movie is written and directed by Etan Cohen (not to be confused with Ethan Coen), whose credits include ‘Idiocracy’, ‘Men in Black 3’ and another Will Ferrell starrer, ‘Get Hard.’

Will Ferrell and John C. Reilly previously paired up in ‘Step Brothers’ and ‘Talladega Nights.’

As Holmes and Watson, they are forced to try to solve a murder mystery in Buckingham Palace in four days. If they don’t, James Moriarty (Ralph Fiennes) will kill the Queen of England.

The movie is set for Irish release on December 26th.