: The episode is praised for its creative use of a medical-themed haunted house as a backdrop for a murder. Character Dynamics

A: No. This is canon, adapting manga chapters written by Gosho Aoyama.

If you are looking to watch (subtitled or dubbed), note the following:

During the surgery, Dr. Kazami is heard screaming over the intercom. By the time the staff breaks into the sealed operation room, the doctor is dead from a stab wound. The room is locked from the inside. The only people present were the patient (under anesthesia) and a silent nurse.