Who Do You Think You Are? Ashley Judd learns about her family history in the series' season finale (8 p.m. NBC).
Shark Tank: Jeff Foxworthy and "The Sopranos'" Vincent Pastore are featured in this new installment (8 p.m. ABC).
CMT's Next Superstar: Ten finalists vie for the title in this new country music-themed talent competition (9 p.m. CMT).
Outrageous Food: Attempts to create the world's biggest hamburger and super-hot hot wings are featured in the season premiere (10 p.m. Food).
Merlin: This fantasy series based on Arthurian legend – not to be confused with "Camelot" on Starz – offers its season finale (10 p.m. Syfy).
Tiger Man of Africa: The Mating Game: This new special visits a unique animal preserve and breeding program in South Africa (7 and 10 p.m. National Geographic).
Knowing: Nicolas Cage and Rose Byrne star in this eerie 2009 sci-fi fable directed by Alex Proyas (9 p.m. Showtime).
Foo Fighters: Back and Forth: The Grammy-winning musical group is profiled in this 2011 rock doc (10 p.m. VH1).
Baseball: The Yankees play the Red Sox (11 a.m. MLB); the Phillies face the Braves or the Cubs meet the Brewers. (4:30 p.m. MLB); the Angels host the Blue Jays (7 p.m. FSN); and the Dodgers visit the Padres (7 p.m. FS Prime).
Golf: Play continues with second-round action as the Masters tournament continues in Augusta, Ga. (noon ESPN).
Hockey: The Blackhawks challenge the Red Wings (4:30 p.m. VS) and the Ducks welcome the Kings (7 p.m. KDOC).
Basketball: The Clippers visit the Mavericks (5:30 p.m. MyNet) and the Lakers visit the Trail Blazers (7 p.m. KCAL).