Elementary (2012)

S4E2 Evidence of Things Not Seen

Morland proposes to leverage his connections to reinstate Sherlock and Joan as consultants for the NYPD, but Sherlock's distrust of his father leads him to doubt Morland's true intentions. Meanwhile, facing a lack of job opportunities, Watson manages to secure a position with the FBI, where she dives into an investigation of a triple murder at a classified research facility.