Dr. John Watson, one-time sidekick to the detective Holmes in old books and movies, is now the central character of "Watson," premiering Sunday night.

Of all the fictional characters in the public domain, Dr. John Watson never seemed to be crying out for a moment in the spotlight. Watson has mostly been defined by his relationship to Sherlock Holmes,

Like “House,” it sees a genius doctor (in this case Morris Chestnut’s Dr. John Watson) diagnose medical mysteries with help from a team of photogenic sidekicks. And like “House,” it draws inspiration from Sherlock Holmes — this time more directly,

The actor stars as a version of the Arthur Conan Doyle character in a series set in the present day, following an American geneticist in the wake of Sherlock Holmes’s death.

Morris Chestnut stars as Dr. John Watson in CBS's new show "Watson," a medical detective series where Watson tackles mysteries on his own after Sherlock Holmes' death.