•Can you believe “Family Guy” is airing its 300th episode tonight? Yeah, neither can we. 9 p.m., Fox.
•Jenna Coleman returns as the title character in a new season of “Victoria.” She plays the young 19th-Century queen who wants it all: romance, power, an heir and personal freedom. Also, Diana Rigg joins the cast. 9 p.m., PBS.
•As Season 2 of “Divorce” begins, Frances (Sarah Jessica Parker) and Robert (Thomas Haden Church) are trying to rebuild their lives independently in the aftermath of their turbulent separation, but it’s more complicated than they imagined. 10 p.m., HBO.
•In the two-hour season finale