The Retconning of Bob Ewing

The name was Dad Schreibert. He said, I was once 20 feet away from a guy who jumped the fence and went out into the pasture to pick up a piece of horse manure to take home as a souvenir. That was a time before eBay. The thing that- I knew Dad was for because I'd never really seen it. But I know it as a famous example of retconning where you retroactively change what happens. So they wrote, filmed, and shot, and broadcast an entire season in which a character, Bob Ewing, died. They decided they wanted to bring him back. In order to do that, they retconned it by the beginning