Best Bets on TV Tonight

“Band of Bloggers” (8 p.m., History Channel): A new medium for the timeless story of combat is explored in this special. Soldiers who kept blogs during their Iraq deployment reflect on how their unfiltered words brought home the experience of wartime, and the effect of military censorship on the process.

“Friday Night Lights” (9 p.m., NBC): On “Friday Night Lights,” things don’t look good for Landry as some key evidence surfaces that implicates him in the killing of the rapist guy. Meanwhile, Tami’s free-spirited sister, Shelley (Jessalyn Gilsig), arrives to help out with the baby and immediately stirs things up in the Taylor house.

“Numb3rs” (10 p.m., CBS): On “Numb3rs,” Don and the team investigate the world of obsessive video gamers after a man plunges to his death while participating in an alternate-reality game. Amita’s hidden gaming ability becomes the key to tracking down the killer.