I see this show mentioned in the What shows to you watch religiously (http://www.happyatheistforum.com/forum/index.php?topic=4411.0) thread. Who watched the season 4 premiere?
What will come of the Lab Notes?
What else might be discovered at the crime scene? There's the calls to Gale's phone, Victor's car out front, eyewitness accounts. Obviously, that's why what happened to Victor happened.
How are they going to keep Hank relevant in the series? What's with the crystals?
What was Skylar looking for? Did she find it?
Why were Jesse and Walt wearing the same shirt at the end? Did that scene in the diner remind anyone vaguely of the scene with Travolta and Samuel L in Pulp Fiction?
If you haven't watched the show, ignored the spoiler warnings, and are reading this sentence, start at season 1, not season 4. This show is really, really good.