Rascal Flatts Nothing Like This on ABC

Enjoy some TV shows tonight. “Rascal Flatts: Nothing Like This” (ABC, 9 p.m.) is a country concert special recorded at the Xcel Energy Center in St. Paul, Minn.

New movies on cable tonight include Will Forte as “MacGruber” (HBO, 8 p.m.) and Russell Brand in “Get Him to the Greek” (Cinemax, 10 p.m.).

Zach Galifianakis has proven one of the best recent hosts of “Saturday Night Live” (NBC, 11:30 p.m.).