What's the frequency, Lindsey?

Fleetwood Mac's Lindsey Buckingham and news veteran Dan Rather should make for an odd couple on "The Big Interview," which will focus on the rock star's personal life and esteemed career. 7 p.m. AXS TV

Ringside seats

Let the full hype for the Floyd Mayweather Jr. vs. Manny Pacquiao begin! The fight isn't until May 2, but the sports world is already churning out programs such as "Sports Center Special: Mayweather/Pacquiao." 7 p.m. ESPN

The great escape

"Last Days in Vietnam" will shake even those who think they know plenty about the war. The footage of people trying to get out of Saigon — while diplomats make one mistake after another — is nothing less than harrowing. 8 p.m. TPT, Ch. 2

Neal Justin