DRAMA. In your “Downton Abbey” withdrawal, try on this costume drama, a sumptuous reboot of the 1970s tale of upper-lower class clashes. There’s more than enough bickering among servants and high-society romance to keep you happy until the Dowager Countess and her zingers return in January.
Season premiere, Sunday, 9 p.m., PBS
DOCUMENTARY. Scientists and engineers deliberately crashed a commercial airliner — full of crash-test dummies, of course, and diagnostic equipment — to learn how to increase chances of survival should disaster occur in-flight.
Season premiere, Sunday, 9 p.m., Discovery
DRAMA. The freedom fighters head to Walter’s old Harvard lab to search for clues on how to stop the Observers, who not only have taken over his old study space, but, you know, the entire world now, too.
Friday, 9 p.m., Fox