From Retroist:

CBS has made available a great collection of episodes from the Twilight Zone for you to watch online. The episodes have commercials, but they are uncut and are really good quality. Its a great way to pass the time in a WiFi hotspot or just to entertain you during a sit at your desk lunch at work. So navigate over to The Twilight Zone on CBS, and revel in the splendor of this B&W classic.