Tuesday's TV Highlights: Ed O’Neill on 'Biography'
Explorer: The new episode “Electronic Armageddon” details the adverse effects a high-altitude magnetic pulse could have on modern society (7 p.m. and 10 p.m. National Geographic).
Hell's Kitchen: The contestants prepare a meal for hungry college students in this new episode (8 p.m. Fox).
Kathy Griffin: My Life on the D-List: The red-headed comic and actress returns with another season of her Emmy-winning reality series; Liza Minnelli guest stars (9 p.m. Bravo).
Double Exposure: This new reality series offers a behind the scenes look at the photographic team Markus Klinko and Indrani (10 p.m. Bravo).
Dinner With the Band: Vega is the latest act featured on this music, food and chat show (10:30 p.m. IFC).
Presidential address: Broadcast channels and cable news outlets will offer live coverage of President Obama's remarks on the oil catastrophe in the Gulf of Mexico (5 p.m.).
Pavarotti: The Duets: The late operatic tenor is featured in this musical special (8 p.m. KCET).
Valkyrie: Tom Cruise dons a German general's uniform for this fact-based 2008 WWII drama (9 p.m. Showtime).
Sarah Silverman: Jesus Is Magic: The actress-comedian brought her irreverent stage show to the big screen in this 2005 film (10 p.m. Sundance).
The Shootist: John Wayne gave his last on-screen performance in director Don Siegel's 1976 western; Lauren Bacall and Ron Howard also star (11 p.m. TCM).
Soccer: Play continues at the World Cup in South Africa as Cote d'Ivoire challenges Portugal (6:30 a.m. ESPN) and Brazil meets North Korea (11 a.m. ESPN).
Baseball: The Dodgers visit the Reds (4 p.m. KCAL); the Phillies play Yankees or the Rays battle the Braves (4 p.m. MLB); and the Angels host the Brewers (7 p.m. FSN).
Basketball: The Lakers host the Celtics for Game 6 of the NBA Finals (6 p.m. ABC).
Photo credit: Bob D'Amico/ ABC