Numbers are in: 12 million Cosmos viewers in the US alone, 17.5 million with DVR! Thanks to you all!
— Seth MacFarlane (@SethMacFarlane) March 11, 2014
It was pretty clear on Sunday night that a lot of people were watching Cosmos from all the tweets and Facebook updates about it, but according to a tweet by Seth MacFarlane the numbers are in. 12 million people watched live, and if you count DVR recordings it jumps to 17.5 million.