Currently available on 2 streaming services.

Sherlock Jr. - watch online: stream, buy or rent

Currently you are able to watch "Sherlock Jr." streaming on Plex, JustWatchTV for free.

Cast

Buster Keaton
Projectionist / Sherlock, Jr.
Kathryn McGuire
Girl
Joe Keaton
Girl's Father / Man on Film Screen
Erwin Connelly
Hired Man / Butler
Ward Crane
Sheik / Villain
Doris Deane
Girl Who Loses Dollar Outside Cinema (uncredited)
Christine Francis
Candy Store Girl (uncredited)
George Davis
Conspirator (uncredited)
Kewpie Morgan
Conspirator (uncredited)
Steve Murphy
Conspirator (uncredited)
John Patrick
Conspirator (uncredited)
Betsy Ann Hisle
Little Girl (uncredited)
Ford West
Theatre Manager / Gillette (uncredited)