Star Trek: Voyager: Demon Rewatch Season 4, Ep 24
Voyager is about to run out of gas, and locates a planet with a fuel supply, but it's an incredibly hostile environment. However, Harry Kim has a plan that may get them the deuterium that they need. Will his plan succeed, and if so, will he finally get that long-overdue promotion? (Ha! As if. But, seriously though.) [more inside]
Penny Dreadful: Fresh Hell Season 2, Ep 1
Constantine: Angels and Ministers of Grace Season 1, Ep 12
John discovers people at a hospital are being murdered because of shards of a prehistorically shattered diamond made of pure evil, to which contact with a human causes insane rage, doubled strength and a desire to kill. Yeah, you read that right.
Constantine: The Saint Of Last Resorts: Part 2 Season 1, Ep 9
John saves himself from the invunche by possessing himself with the demon Pazuzu, but before he can self-exorcise, Pazuzu takes control of his body and kills five gang members, landing John in jail.