President George W. Bush and Sen. John Kerry meet in the third and final presidential debate (8 p.m., ABC, CBS, NBC, PBS, CNN, Fox News) at Arizona State University in Tempe. So far, the audience for the debates has been much larger than during the 2000 race, and tonight’s discussion may be the highest-rated event of the election year.

Tonight’s other highlights

• The remains of an East Village resident President George W. Bush and Sen. John Kerry meet in the third and final presidential debate (8 p.m., ABC, CBS, NBC, PBS, CNN, Fox News) at Arizona State University in Tempe. So far, the audience for the debates has been much larger than during the 2000 race, and tonight’s discussion may be the highest-rated event of the election year.

Tonight’s other highlights

• The remains of an East Village resident are scattered around the city on “Law & Order” (7 p.m., NBC).
• Wild things attack on “Lost” (7 p.m., ABC).
• Major League Baseball playoffs (7 p.m., Fox).
• The House is in ‘da house. Last season’s winner Yoanna House visits the contestants on “America’s Next Top Model” (7 p.m., UPN).
• Rhea Perlman (“Cheers”) guest stars on “Kevin Hill” (8 p.m., UPN).
• Intrepid plumbers search for spirits in an old theater on “Ghost Hunters” (8 p.m., Sci Fi).
• “The Godfather, Part II” (8 p.m., Spike).
• Had your fill of politics? Find tranquility with “Zen and the Art of Competitive Eating” (8 p.m., A&E).
• “Animal Face-Off” (8 p.m., Animal Planet).

Late night

Jennifer Lopez appears on “Late Show with David Letterman” (10:35 p.m., CBS) … Jay Leno hosts Queen Latifah on “The Tonight Show” (10:35 p.m., NBC) … Bobby Cannavale and Jem appear on “Jimmy Kimmel Live” (11:05 p.m., ABC).

Matt Stone, Trey Parker and the Libertines are scheduled on “Late Night with Conan O’Brien” (11:35 p.m., NBC) … Dennis Franz is booked on “The Late, Late Show” (11:37 p.m., CBS).are scattered around the city on “Law & Order” (7 p.m., NBC).

• Wild things attack on “Lost” (7 p.m., ABC).
• Major League Baseball playoffs (7 p.m., Fox).
• The House is in ‘da house. Last season’s winner Yoanna House visits the contestants on “America’s Next Top Model” (7 p.m., UPN).
• Rhea Perlman (“Cheers”) guest stars on “Kevin Hill” (8 p.m., UPN).
• Intrepid plumbers search for spirits in an old theater on “Ghost Hunters” (8 p.m., Sci Fi).
• “The Godfather, Part II” (8 p.m., Spike).
• Had your fill of politics? Find tranquility with “Zen and the Art of Competitive Eating” (8 p.m., A&E).
• “Animal Face-Off” (8 p.m., Animal Planet).

Late night

Jennifer Lopez appears on “Late Show with David Letterman” (10:35 p.m., CBS) … Jay Leno hosts Queen Latifah on “The Tonight Show” (10:35 p.m., NBC) … Bobby Cannavale and Jem appear on “Jimmy Kimmel Live” (11:05 p.m., ABC).

Matt Stone, Trey Parker and the Libertines are scheduled on “Late Night with Conan O’Brien” (11:35 p.m., NBC) … Dennis Franz is booked on “The Late, Late Show” (11:37 p.m., CBS).