Cosmos: Possible Worlds is premiering 7 April at 5:00 and 18:00, on NGC HD (Ch. 820) After the highly popular Cosmos: A Spacetime Odyssey, Neil deGrasse Tyson is back to host more discoveries of science. This time, the show features previously undiscovered realms, including lost worlds and the worlds that humans may one day be forced to inhabit. Subscribe to Premium HD+, to learn more. If you can’t watch it at the premiering time, don’t forget that your Medianet box gives you the option of recording to watch at a time convenient for you!