Weekend television

"Blindsided" 8 tonight Lifetime — A blind photojournalist is a target of a sadistic criminal.

"Mythbusters" 8 tonight Discovery (14th season debut) — The team explores the science behind "Star Wars."

"Downton Abbey" 9 p.m. Sunday GPB (fourth season debut) — The series opens six months after Matthew's death.

"The Good Wife" 9 p.m. Sunday CBS — Alicia represents a band suing a TV show for copyright infringement.

"Revenge" 9 p.m. Sunday ABC — Suspicions mount and new battle lines are drawn after the shooting of Emily Thorne.

"The Mentalist" 10 p.m. Sunday CBS — The FBI tries to uncover who's behind the murder of several DEA agents.