New discoveries have experts on the hunt for extraterrestrial life in our solar system and elsewhere in the cosmos. This is a mashup of "Space's Deepest Secrets", S03E07, "Expedition Extraterrestrial" and S03E04, "Search for Alien Earths".

New discoveries uncover mysterious nature of black holes. This episode is a mashup of S02E03, "Black Holes: The Einstein Prophecy" and another Science Channel show "How the Universe Works", S05E02, "Black Holes: The Secret Origin."