Who Is That Masked Man?

Who Is That Masked Man?

Available on Prime Video, Disney+, Hulu
S4 E14: When Holmes' investigation into the attempt on Morland's life pushes their strained relationship to the breaking point, the identity of Sherlock's mother is revealed. Also, when three gang members are murdered, Holmes and Watson are amazed when an elderly woman emerges as their prime suspect.
Starring James Hong, Elizabeth Sung, Eddie Korbich