Defying Gravity

Anyone else watching this futuristic/sci-fi astronaut drama? (Thursdays, BBC2, 9pm)
Not quite as original as I was hoping for, but I'm liking it quite a lot so far Some interesting characters, and peril, and the plot is keeping me watching to see what will happen; something to do with Mars? I'm waiting to see it all be revealed, that 'presence' thing, and find out what it wants.

(I was surprised to see Peter Howitt (Bread) directing and acting in bits of this. I had no idea he'd ended up in the US)

I'm watching it too,bit confused by the plot though,but intregued enough too keep watching.
I don't think the timeshifts help the storyline,it can get a bit mind-bending sometimes trying to digest the five year previously bits and the current plot,prehaps they should have done 'heroes' type episodes where one complete show is set in the past.