What's On Tonight: Veronica Mars, On The Lot, The Shield

• At 8, ABC has a Bachelor wrapup special, followed by the two hour season finale of Dancing with the Stars (two hours?).
• CBS has the season finale of NCIS at 8, then the new Tom Selleck movie Sea Change.
• NBC has a new Dateline at 8.
• FOX has a new American Idol at 8, followed by the premiere of the reality show On The Lot.
• The CW has the series finale of Veronica Mars starting at 8.
• Also at 8: TCM has Red River, followed by El Dorado.
• At 9, ESPN has the Spurs/Jazz playoff game.
• At 10, FX has a new episode of The Shield.
• Sci-Fi has a new ECW at 10.

Check your local TV listings for more.