TV tonight
Blue Bloods
The two-part finale of the police drama’s fifth season concludes with The Art of War, which brings the ongoing investigation of a gang-related shooting case too close to home for the Reagans. A member of the family is wounded, challenging Danny (Donnie Wahlberg) to keep his emotions in check as he tries to get witnesses to come forward. (CTV, CBS)
Grimm
Is a killer terrorizing Portland by emulating Jack the Ripper? Capt. Renard (Sasha Roiz) is determined to get the answer sooner rather than later, since he’s at the centre of a media firestorm over the murders, in the new episode You Don’t Know Jack. Nick and Hank (David Giuntoli and Russell Hornsby) try to get to the bottom of the matter before any more lives are taken. (NBC, CTV)
Movie: Marvel’s the Avengers
A dream team of Marvel Comics superheroes comes together in this big, loud and immensely fun 2012 action epic, with a number of the stars reprising their roles from earlier films: Robert Downey Jr. (Iron Man), Chris Hemsworth (Thor) and Chris Evans (Captain America: The First Avenger). Scarlett Johansson and Samuel L. Jackson also are back as Black Widow and Nick Fury. (Showcase)
Shark Tank
Veteran entertainer Pat Boone turns up in this new episode, helping a Vermont man pitch an ecologytailored car that uses compressed air as its “fuel.” The Sharks also entertain ideas from a mom with a line of snack bars, a fisherman with a special lure, and two Cincinnati men who have created affordable eyeglasses with interchangeable parts. (ABC, CTV Two)