The "Mad Men" series finale aired Sunday evening on AMC.
If you tried to watch any of AMC's sister networks at the same time, they advised fans to do the same.
In honor of the "Mad Men" finale, the network's four sister channels BBC America, IFC, Sundance, and WE decided to black out.
Here's how the networks look:
Curiously, WE was airing other programming during the "Mad Men" finale though the channel claimed it was airing the same content as the former three.
SEE ALSO: Here's the Coca-Cola ad that played during the "Mad Men" finale
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