5 p.m. on ESPN, ‘‘MLB Baseball’’ — A battle of longtime National League West adversaries plays out tonight at AT&T Park, where Buster Posey and the San Francisco Giants close out a three-game home series against Matt Kemp and the Los Angeles Dodgers. The Giants got the better of the Dodgers in the season-opening series last month at Chavez Ravine, when they took two of three in a series that featured two shutouts.

8 p.m. on 6, ‘‘The Amazing Race’’ — It’s down to the finish line for the last racers who traveled the world in this edition of the long-running reality series. The two-person teams of globe-hopping hopefuls have covered a lot of ground and watched most of their rivals get sent packing. At the end of tonight’s season finale, the last team standing gets the prize and the bragging rights. Phil Keoghan hosts.

9 p.m. on 2, 9, ‘‘Revenge’’ — Now that she and Daniel (Josh Bowman) are engaged again, Emily (Emily VanCamp) plans her next move, and Aiden (Barry Sloan) struggles to deal with this new development. Jack (Nick Wechsler) learns more than he was expecting. Conrad’s (Henry Czerny) numbers slip in the wake of Victoria’s (Madeleine Stowe) revelation on ‘‘Nightline.’’ Gabriel Mann also stars in the new episode ‘‘Engagement.’’

9 p.m. on FOOD, ‘‘Chopped’’ — The winners of the first four competitions — featuring Food Network stars, Cooking Channel stars, master chefs, celebrity cooks and ‘‘Chopped’’ judges — square off for supremacy and $50,000 for the charity of their choice in ‘‘Chopped All-Stars Finale.’’ To get there, they must navigate an appetizer round featuring a salty vegetable and seafood, an entree round with a cheesy pretzel, and a dessert round with almonds and freeze-dried grapes.

10:01 p.m. on 2, 9, ‘‘Red Widow’’ — Now convinced that Schiller (Goran Visnjic) is the one responsible for her husband’s murder, Marta (Radha Mitchell) asks Andrei and Luther (Rade Serbedzija, Luke Goss) to help her come up with a way to kill him during the gun exchange. She also approaches Alexandra (Branka Katic) about taking over Schiller’s drug operation. Irwin (Wil Traval) tells Kat (Jaime Ray Newman) he wants to make amends in the season finale, ‘‘The Hit.’’