What's On TV Tonight-April 19, 2006

• ABC begins the final episodes of Alias with a two hour event and caps the night off with a new Invasion.
• CBS has all-new shows with The Amazing Race, Criminal Minds, and CSI: NY.
• NBC has night three of the Celebrity Cooking Showdown, a new episode of Heist, and a repeat of Law & Order.
• FOX has Bones, American Idol, and Unan1mous.
• The WB shows fresh episodes of One Tree Hill and The Bedford Diaries.
• UPN has a new America's Next Top Model and an encore of last night's Veronica Mars.
• SciFi has fresh episode of Ghost Hunters and Psychic At Large.
• MTV has a new episode of My Super Sweet 16 and the premiere of Tiara Girls.
• Comedy Central has new episodes of South Park and Mind of Mencia.
  
• Bravo has a fresh Top Chef.

What are you watching tonight? Discuss in the comments section.