Pay particular attention to tonight's episode of The Crazy Ones (8 p.m., CBS/Ch. 2). The plot involves Sydney (Sarah Michelle Gellar) and a bunch of cats - and Gellar is hugely allergic to cats.If you pay close attention, you won't actually see Gellar in the same frame with any of the kitties. You might see a double, but not Gellar.Elsewhere on TV ...The Big Bang Theory (7 p.m., CBS/Ch. 2): Sheldon tries to put on his own comics convention.The Taste (7 p.m., ABC/Ch. 4): A vegetarian challenge.Community (7 p.m., NBC/Ch. 5): Annie prepares the cafeteria for the midterm dance.American Idol (7 p.m. Fox/Ch. 13): Auditions continue, this time in Omaha, Neb.The Vampire Diaries (7 p.m., CW/Ch. 30): Damon receives a grisly gift.Men's college basketball (7 p.m., BYUtv): Pacific at BYUThe Millers (7:30 pm., CBS/Ch. 2): Nathan insists that his mother learn to drive.Parks and Recreation (7:30 p.m., NBC/Ch. 5): Leslie throws a farewell party.Saturday Night Live Presents an SNL Sports Spectacular (8 p.m., NBC/Ch. 5): Sports-themed sketches.Rake (8 p.m., Fox/Ch. 13): Keegan represents three Amish bakers.Reign (8 p.m., CW/Ch. 30): Suspicion falls on Queen Catherine.Two and a Half Men (8:30 p.m., CBS/Ch. 2): Marty proposes to Evelyn.Elementary (9 p.m., CBS/Ch. 2): An unsolved murder connected to a rare prehistoric fossil.White Collar (10 p.m., USA): A search for hidden treasure.