"Extant" Trailer #1 : CBS gave a straight-to-series order to this project, which features Halle Berry as an astronaut who has just returned to Earth after spending a year in space. Executive produced by Steven Spielberg, the show is shrouded in mystery. A 25-second preview with the definition of the word “extant” superimposed on images of cells dividing and an ultrasound of a fetus suggests that the show is equal parts science fiction and drama. Perhaps CBS is stepping outside the confines of the procedural? We shall see.