A possible concise summary is:
The text is a transcript of a video that counts down the top 20 creepiest things that were caught on live TV. It includes examples of paranormal phenomena, signal intrusions, criminal acts, and natural disasters that shocked or disturbed the viewers. Some of the incidents were later explained or debunked, while others remain mysterious.
Here are some possible facts extracted from the text:
1. A prankster hacked into a Montana TV station's emergency broadcast system and sent out a fake news flash about a zombie apocalypse in 2013.
2. A china doll that was allegedly haunted by a spirit rocked in its chair during an interview on ITV's This Morning in 2017.
3. Hulk Hogan choked out Richard Belzer on his talk show in 1985 while demonstrating a wrestling move.
4. CBS televised a draft lottery to determine individuals for military service during the Vietnam War in 1969.
5. A group of mysterious lights that appeared to be UFOs over the Milwaukee night sky in 2018 turned out to be a flock of seagulls reflecting the city lights.
6. A woman claimed to be possessed by a demonic entity called a gin during a live phone call on a religious show in 2011.
7. A man named Gary Stolman walked onto the KNBC set behind TV reporter David Horowitz and pointed a toy gun at his back, ordering him to read a statement about the CIA cloning his father in 1987.
8. Rodney Alcala, a serial killer who was convicted of murdering at least seven women, appeared as a contestant on The Dating Game in 1978 and won a date with the bachelorette.
9. Two television stations in Chicago were hijacked by an unidentified man dressed as Max Headroom, a TV personality, who danced and rambled incoherently in 1987.