Whale Wars: In this new episode a mysterious vessel heading toward the Steve Irwin is identified as part of the Japanese whalers’ security detail (9 p.m. Animal Planet).
The Ricky Gervais Show: In this new episode Karl shares his idea for a machine that would make doctors more empathetic by letting them experience what their patients are feeling (9 p.m. HBO).
Fairly Legal: Justin (Michael Trucco) introduces Kate (Sarah Shahi) to a Brazilian singer and activist. Virginia Williams and Ryan Johnson also star in this new episode (9 p.m. USA).
Louisiana Lockdown: This new series takes viewers inside Angola Prison, the nation’s largest maximum-security penitentiary (10 p.m. Animal Planet).
Comedy Bang! Bang! Zach Galifianakis discusses his place in the pantheon of comic actors and talking dogs in the premiere of this new series (10 p.m. IFC).
Bunk: Comics compete in absurd games in this new series (10:30 p.m. IFC).
Seal Wars: In this special, the Sea Shepherds of “Whale Wars” turn their attention to the nearly 90,000 seals that are clubbed to death each year along Namibia’s Skeleton Coast for use in high-fashion garments (7 p.m. Animal Planet).
Another Happy Day: A wedding stirs issues for the groom’s (Michael Nardelli) relatives, particularly his mom (Ellen Barkin) in this 2011 drama. George Kennedy, Thomas Haden Church and Demi Moore also star (8 p.m. Showtime).
College baseball: Super Regionals: LSU vs. Stony Brook (9 a.m. ESPN2); Arizona vs. St. John’s (Noon ESPN2); Florida State vs. Stanford (4 p.m. ESPN2); Texas Christian vs. UCLA (6 p.m. ESPN).
Baseball: The Chicago Cubs visit the Minnesota Twins (5 p.m. WGN); the Angels visit the Colorado Rockies (5:30 p.m. FSN); the Dodgers visit the Seattle Mariners (7 p.m. FS Prime).
Boxing: Kelly Pavlik vs. Scott Sigmon (7 p.m. ESPN2).