Jason, Chip and Erika break down “The Well,” in which Russell T Davies (and his co-writer Sharma Angel-Walfall) decided to play the hits and serve up what “Doctor Who” does best. It’s a base on an alien planet that’s been out of contact for days. (Nuking the site from orbit is the only way to be sure, right?)

Jason Snell, Erika Ensign and Chip Sudderth