WHILE WORKING A CASE INVOLVING A STOLEN ARTIFICIAL INTELLIGENCE PROGRAM, SHERLOCK BECOMES MORE INTERESTED IN DISPROVING THE COMPUTER'S ABILITIES THAN IN FINDING THE CULPRIT, ON "ELEMENTARY," THURSDAY, NOV. 20

"Bella" - When a groundbreaking artificial intelligence software program is stolen, Sherlock agrees to take on the case, but enlists Joan's assistance in solving it when he becomes more interested in disproving the computer's abilities than finding the thief. Meanwhile, Joan confronts Sherlock about his motives after she learns he has been in direct contact with her boyfriend, Andrew, without her knowledge, on ELEMENTARY, Thursday, Nov. 20 (10:00-11:00 PM, ET/PT), on the CBS Television Network.

REGULAR CAST:

Jonny Lee Miller (Sherlock Holmes)
Lucy Liu (Joan Watson)
Aidan Quinn (Captain Tommy Gregson)
Jon Michael Hill (Detective Marcus Bell)

GUEST CAST:

Ophelia Lovibond (Kitty Winter)
Raza Jaffrey (Andrew Paek)
Michael Chernus (Edwin Bond)
Condola Rashad (Melinda Yee)
Jonathan Judge-Russo (Michael Webb)
Robert Capron (Mason)
Michael Cristofer (Isaac Pike)
Halley Feiffer (Ellen Rabin)
Bill Winkler (Robert Ballard)
Amy V. Morse (Receptionist)

WRITTEN BY: Craig Sweeny

DIRECTED BY: Guy Ferland