I thought, yes, i'm glad to be alive to see this masterpeace. This episode will become, in the future, a reference for "time travel" related series or movies, THIS is how you can eventualy "time travel", everything else is a paradox. It's Butterly Effect, but done properly, even if, in my opinion, the final chat on the phone between Penny and Desmond was over the top, beside that, a perfect ten!
Review of The Constant
