- bad connection driving pixels on screen
- hardware error in screen controller in TV
- software error in screen controller in TV
- bad connection on HDMI connection on TV
- broken wire in HDMI cable
- bad connection on “set top box” HDMI connector
- software error in “set top box”
- hardware error in “set top box”
- radio noise distorting home WiFi
- software error in WiFi router
- hardware error in WiFi router
...
- sunspots distorting signal from relay satellite
- sunspots corrupting data buffering in satellite
- sunspots distorting signal to relay satellite
...
- water shorting data lines from Fox studio
- freak compression error invoked by subtle change to chyron styling
I’ll spare you the stuff in the “...” parts.
Well, it sounds to me like someone put JELL-O where it doesn’t belong...