> broadcasters have of every broadcast they've ever had It depends - especially if you go back further than 20 years. The Wikipedia article for "Lost televisi

> broadcasters have of every broadcast they've ever had It depends - especially if you go back further than 20 years. The Wikipedia article for "Lost television broadcast" goes into detail: https://en.wikipedia.org/wiki/Lost_television_broadcast https://en.wikipedia.org/wiki/Lost_television_broadcast