“Drop Dead Diva” (9 p.m., Lifetime): In the new comedy-drama, “Drop Dead

“Drop Dead Diva” (9 p.m., Lifetime): In the new comedy-drama, “Drop Dead Diva,” a beautiful but vapid model (Brooke D’Orsay) dies in a car crash and returns to the living in the body of a plus-size attorney (Brooke Elliott). Let the brains-vs.-beauty fable begin.

“Meteor” (9 p.m., NBC): As if we didn’t have enough problems. In the two-part miniseries, “Meteor,” a great big rock is headed straight for Earth. Christopher Lloyd and Marla Sokoloff try to avert calamity.

“Entourage” (10:30 p.m., HBO): Another reason to avoid the LA freeways: As the sixth season of “Entourage” begins, Vince is preparing to take his driving test. You’ve been warned.