TV top picks

7 p.m. on CBS MacGyver

If Mac (Lucas Till, pictured) surprises his colleagues with the news that he wants to leave the Phoenix Foundation, he’s in for a surprise of his own in the adventure reboot’s second-season finale, “MacGyver + MacGyver.” Tate Donovan (Damages) guest stars as a man connected to Matty (Meredith Eaton), and Billy Baldwin reprises his role as Riley’s (Tristin Mays) father. George Eads, Justin Hires and Isabel Lucas also star.

7 p.m. on CW Dynasty

Blake (Grant Show) stands in the way of Fallon’s (Elizabeth Gillies) ambitious plans for the company, forcing her to realize that she and her father are heading for an allout battle for control, in the new episode “Trashy Little Tramp.” The situation could break their already fractured relationship for good. Nathalie Kelley, Nicollette Sheridan, James Mackay, Robert C. Riley, Sam Adegoke, Rafael de la Fuente and Alan Dale also star.

8 p.m. on ABC Marvel’s Agents of S.H.I.E.L.D.

Coulson and Talbot (Clark Gregg, guest star Adrian Pasdar) might seem like strange bedfellows, but they combine efforts to try to save Earth in the new episode “The One Who Will Save Us All.” Neither may be completely sure he can trust the other, but their mutual mission is clear. Jeff Ward and Catherine Dent also continue their guest roles. Ming-Na Wen, Chloe Bennet, Iain De Caestecker, Elizabeth Henstridge, Henry Simmons and Natalia Cordova-Buckley also star.

9 p.m. on PBS Live From Lincoln Center

A notable New York theater performer gets a showcase in the new offering “Stephanie J. Block in Concert,” as the Tony nominee presents her cabaret act that encompasses selections from Wicked and Falsettos, which are among the shows she’s best known for. The hugely charismatic talent is slated to have one of her most prominent roles to date soon, playing the title singeractress in the forthcoming Broadway staging of The Cher Show.

10 p.m. on PBS The Jazz Ambassadors

Music often is cited as a binding force among cultures, and that is borne out by this new documentary, detailing how then Congressman Adam Clayton Powell — with the backing of President Dwight D. Eisenhower — enlisted some of the top talents in jazz to tour the world as U.S. emissaries in the mid-1950s. Louis Armstrong, Benny Goodman, Dizzy Gillespie, Duke Ellington and Dave Brubeck were among those involved ... along with, notably, their racially integrated bands. Hamilton Tony Award winner Leslie Odom Jr. is the narrator.