Fargo (10pm, FX) - “Fargo” concludes tonight with an extraordinary episode that makes the series one of the best television events, start to finish, in recent memory. (Another installment of “Fargo” is planned for next year, but likely without the same leading actors, say producers. “American Horror Story,” also on FX, hits the reset button each season, too.) Without giving anything away, here’s what to expect: Malvo sets his sights on eliminating Lester, who is busy trying to manipulate the “situation” he caused in the previous episode. Meanwhile, Gus, worried about Molly’s safety, follows through on a hunch. If you’ve got heart pills, take ’em
Also on tonight . . .
Rizzoli & Isles (9pm, TNT) - The Season 5 premiere opens with the murder of a female jogger and ends by resolving the fate of Det. Frost ( Lee Thompson Young, who committed suicide last year).
Perception (10pm, TNT) - In the Season 3 opener, Pierce’s new life in Paris is upended when he’s enlisted to probe a risky international case.
The Night Shift (10pm, NBC) - Injuries at an Alamo reenactment test the staff, while a disoriented patient suffering from amnesia receives care. Also, Jordan’s boyfriend ( Scott Wolf) arrives.