TV Today

The Ellen DeGeneres Show

(3 p.m., NBC10) - Actress Marcia Cross (

Desperate Housewives

); actor Dylan Walsh (

The Stepfather

); dancer Bryan Boyer performs.

Ugly Betty (8 p.m., 6ABC) - As a new season opens, Betty (America Ferrera) eagerly begins her new job with Mode but quickly finds out that her work isn't at all what she expected, especially with bitter rival Marc (Michael Urie) doing everything he can think of to get her fired. Eric Mabius, Vanessa Williams, Ana Ortiz and Becki Newton also star.

Smallville (8 p.m., CW57) - A gala at Queen Industries goes badly awry when a vengeful Toyman (guest star Chris Gauthier) shows up with a bomb, threatening to blow the place up unless Oliver (Justin Hartley) admits to murdering Lex. Jor-El gives Clark (Tom Welling) the ability to hear other people's thoughts. Erica Durance, Allison Mack and Cassidy Freeman also star.

Lobstermen (10 p.m., DISC) - Keep your seasick pills handy during this turbulent new series that follows offshore lobster fishermen in the North Atlantic, where five captains battle the elements - and sometimes their own crews - as they work on the edge of the Continental Shelf, braving frigid rain, stinging snow, and dangerous seas in search of a popular delicacy: Maine lobster.

The Jay Leno Show (10 p.m., NBC10) - Actress Rachel Griffiths; correspondent Liz Feldman; Sen. John McCain (R-Ariz.).

Late Show With David Letterman (11:35 p.m., CBS3) - Actress Uma Thurman; Tim McGraw performs.

The Tonight Show With Conan O'Brien (11:35 p.m., NBC10) - Newark Mayor Cory Booker; actor Max Records.

Jimmy Kimmel Live (12:06 a.m., 6ABC) - Professional tennis player Serena Williams; TV personality Dr. Drew Pinsky; Eric Church performs.