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Once upon a time, TLC was an educational channel. Now it shows increasingly eccentric reality and remodeling programs. If you haven't watched it in a while, yes, this is a parody. But only by a little bit.
Video by Mostly Water Theatre via Geekosystem
TLC stood for The Learning Channel.
FitTV has now taken over almost all the medical shows moved from Discovery Health, which is now the Oprah channel.
IFC (Independent Film Channel) is changing over to series and now runs commercials.
And when was the last time you were able to watch a block of music videos on MTV or VH1?
These are just the ones I can think of off the top of my head.