Here's the official guide of Elementary season 2 episode 1 "Step-Nine", airing on Thursday, Sept. 26 on CBS.
HOLMES AND WATSON HEAD TO LONDON TO HELP A FORMER COLLEAGUE WITH AN UNSOLVED CASE, ON THE SECOND SEASON PREMIERE OF “ELEMENTARY,” --
Filmed on Location in London, England
Rhys Ifans Guest Stars as Mycroft Holmes, Sherlock’s Estranged Brother
- Holmes and Watson travel to London to help track down an old mentor and investigate an unsolved mystery.
- Meanwhile, Mycroft Holmes (Rhys Ifans), Sherlock’s estranged brother, reunites with Sherlock and reveals some secrets of his own.