What are some television urban legends and rumors that were widely believed, despite being obviously fake?

Submitted ⁨⁨5⁩ ⁨hours⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://www.reddit.com/r/television/comments/1wlu20v/what_are_some_television_urban_legends_and_rumors/