Hey, hey there went Alex no comments

Well, that was a rum to-do and no mistake.

It seems like she got back, but unlike Sam has left a (non-functioning) copy of herself behind.

Or has the 1982 version reacted to being shot by propelling her forward to create the future version?

Yeah, ok, there already was a future version - perhaps that one should have died but the upcoming one replaced her. After all, she and Sam seemed to replace someone in the past.

Summers turned out to be a pleasant surprise, after a fashion; a good cop who couldn't hack turning bad and used his farewell trip to atone for what he'd done. I'm not alone in briefly wondering if he wasn't the older version of Chris, but the thought didn't settle well.

He wasn't sufficiently older to have changed that much in appearance, and there was the other Summers already extant. Which still leaves an uncomfortable thorn - why didn't killing his younger self wipe the elder out? Was his original plan to stop himself being involved in the robbery at the cost of his own (limited) life? He didn't seem surprised at surviving his own death - but maybe knew he was already living on/in someone else's borrowed time. And in the future he didn't survive much longer, which is a pisser for present Alex since she can't ask him about how he was aware of both timestreams.

Unfortunately history is repeating itself - the episode was far too remeniscent of when Sam was on LSD/drug mis-dose. The antibiotic dose warnings were an unsubtle device for cranking up the tension (and far too distracting for Alex) and nowhere near as funny as Sam's.

Unlike Demons this has left itself wide open for another series (I think read somewhere that it already has the go-ahead) where Alex has to go back and pull Gene out of the (bullet) hole that he's put himself in. Sam took a pretty drastic leap of faith to get back; will Alex have to shoot herself in the head?