Here you had a show with such confidence it could poke fun at its own "timey wimey" dialogue, at the decreasing age of the companion characters ("they get younger all the time"), and at the Doctor's occasional smooches. Heck, it could sneak in a gag about sizes of respective Sonic Screwdrivers...
Director Nick Hurran might find himself offered a sci-fi Hollywood blockbuster or two off the back of it, too. The blend of slow motion, superb effects work, Daleks that looked like they were actually in the mood to do some damage and the gritty tone was excellent. And - extra bonus points -...