BEST BETS
• A new Becoming-Canadian features Jemal, forced by tribal warfare to leave his pregnant wife behind as he flees to the world’s largest refugee camp. On a happier note, Janice finds both a job and the love of her life at a Tim Hortons. (CBC 20 at 8) • In the two-hour season premiere of BigBrother, the new housemates enter the Big Brother House, isolating them from everyone else except host Julie Chen and embarking on an inevitable series of alliances and betrayals. (Global, CBS 39 at 8) •A new episode of BigPacific examines the turbulent drama that goes on below the usually tranquil surface, given that many of the ocean’s creatures are permanently engaged in an ongoing fight for supremacy. (PBS at 8) • Moving back in time again, This IsUs — which reveals the history behind the family’s passionate support of the Pittsburgh Steelers — finds then-childless Jack and Rebecca debating starting a family. (NBC 33 at 10) • Struggling with the sleep deprivation that goes with having a new baby, JillianandJustin are forced to realize that their dream home project in Kelowna, B.C., is going to sink them unless they can get their budget under control. (W at 10) • A new unscripted series called HairGoddess follows young entrepreneur Christina Oliva, who wants to expand the budding haircare empire she started in Staten Island, N.Y., by opening a salon in Manhattan. (TLC at 10:02) LATE NIGHT Fallon at 11:34: Kristen Wiig, Paul Dano, Macklemore, Skylar Grey (N). Colbert at 11:35: Josh Duhamel, Justin Bartha, Brian Greene (N). Kimmel at 11:35 & 12: Actor Justin Theroux, Snoop Dogg performs. Conan at 12 & 1:37: Actor Carl Reiner, Hurray for the Riff Raff performs. Noah at 12:05: Actress Salma Hayek. Meyers at 12:37: Sean “Diddy” Combs, Hilary Duff, Edgar Wright, Sam Fogarino sits in with the 8G Band (N). Corden at 12:37: Leighton Meester, Dominic Monaghan, Blake Griffin, Judah and the Lion performs. Daly at 1:38: Joseph Fiennes, No Parents, Chris Shiflett, Eugene Mirman.