Elementary - Season 6 - Eps 14: Through the Fog
Holmes and Watson race to help Detective Bell when he becomes a victim of a bio-terrorism attack at the precinct and the station is quarantined. During the lockdown, Captain Gregson and Detective Bell begin to suspect they are trapped inside with the perpetrator. Also, Watson faces the difficult task of helping her mother, Mary, accept that her advancing Alzheimer’s disease requires her to receive more medical care.
About Elementary

Title: Elementary
First Air Date: 2012-09-27
Last Air Date: 2019-08-15
Status: Ended
Rating: 7.601/10 (from 1663 votes)
Language: EN
Seasons: 7
Total Episodes: 154
Network: CBS
Genres: Drama, Mystery, Crime
Production Companies: Timberman/Beverly Productions, CBS Studios
Synopsis
A modern-day drama about a crime-solving duo that cracks the NYPD's most impossible cases. Following his fall from grace in London and a stint in rehab, eccentric Sherlock escapes to Manhattan where his wealthy father forces him to live with his worst nightmare - a sober companion, Dr. Watson.
Cast

Jonny Lee Miller
Sherlock Holmes

Lucy Liu
Joan Watson

Jon Michael Hill
Marcus Bell

Aidan Quinn
Thomas Gregson