"The Empty Hearse," and in the 1984 series The Adventure of Sherlock Holmes Season 1, Episode 9, "The Greek Interpreter," ...

Mycroft Holmes – played by Mark Gatiss in Sherlock, the BBC version of the tales – is described by Sherlock Holmes as being even more of a genius than the famous occupant of 221B Baker Street.

Don't miss the series premiere of Watson after the AFC Championship game this Sunday, January 26 at 8:00 p.m. Arizona time on CBS, channel 13, and streaming on Parmount+.