Friday's Highlights: 'Lost Land of the Tiger' on National Geographic
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).
Photo: Steve Winter / Panthera / National Geographic