The curtain falls on Watson. This Sunday, May 3, the series finale, "The Cobalt Fissure," hits CBS and Paramount+ at 9:59 p.m. ET.

With Sherlock resurrected and Watson’s life hanging in the balance, the stakes are critical. CBS canceled the drama abruptly, so expect an emotional, high-stakes conclusion. Will the clinic survive?

Tune in for the final mystery.