Despite all the action leading up to episode 4, Extant is missing a spark — that je ne sais quoi. The sci-fi show has cinematic visuals, a star lead and compelling narrative, but I still don’t feel the urge to tune in every week. In short, it’s not must-see TV. At least not yet.
If episode 3 is any indication, Extant is emerging as a series that deftly juggles out-of-this-world sci-fi spookiness alongside relatable human problems.…