Een voormalig rechter uit New York denkt dat hij Sherlock Holmes is en zijn psychiater, die de gepaste naam Mildred Watson draagt, probeert hem te helpen. Dus wanneer de rechter opgesloten dreigt te worden in een inrichting binden Holmes en Watson de strijd aan.
Nee, helaas is They Might Be Giants nog niet beschikbaar op Netflix in Nederland.
| Directing | Anthony Harvey | Director |
| Art | John Robert Lloyd | Production Design |
| Costume & Make-Up | Fern Buchner | Costume Design |
| Costume & Make-Up | Vincent Callaghan | Makeup Artist |
| Editing | Gerald B. Greenberg | Editor |
| Production | Paul Newman | Producer |
| Sound | John Barry | Music |
| Production | John Foreman | Producer |
| Art | Herbert F. Mulligan | Set Decoration |
| Costume & Make-Up | Ann Roth | Costume Design |
| Costume & Make-Up | Romaine Greene | Hairstylist |
| Writing | James Goldman | Screenplay |
| Production | Jennings Lang | Producer |
| Camera | Victor J. Kemper | Director of Photography |
| Writing | Arthur Conan Doyle | Characters |
| Production | Frank Caffey | Associate Producer |
| Directing | Norman I. Cohen | Assistant Director |
| Directing | Louis A. Stroller | Assistant Director |
| Sound | Nathan Boxer | Sound Mixer |
| Sound | Al Nahmias | Sound Editor |
| Sound | Sanford Rackow | Sound Editor |
| Sound | Dick Vorisek | Sound Re-Recording Mixer |
| Crew | M. James Arnett | Stunt Coordinator |
| Directing | Barbara Rittenberg | Script Supervisor |
