https://www.thedigitalbits.com/reviews/item/dan-curtis-late-night-mysteries-blu-ray-review

From the review:
"The Wide World of Mystery was a late-night anthology TV series that featured melodramas of mystery and suspense. The series ran from 1973 to 1978 and was the ABC Network’s attempt to draw viewers away from Johnny Carson on The Tonight Show, the NBC talk show that reigned supreme in late night for decades. The recent Blu-ray release, Dan Curtis’ Late-Night Mysteries, contains four complete shows from that series."