Watch Sealed Video 20: Sacrificial Spiritual Theory for Free: How to Stream the Movie Online at 123Movies. . The 20th installment of the "sealed video" series containing horror images approaching "true fear". I can hear an eerie sound from the cassette tape I bought at the thrift store. There is something mysterious in the video that shows the situation .... " Includes a total of 5 episodes, including "Cassette tape" and "Along the railroad tracks".