Smallville (8pm, CW) - Anti-superhero citizens attack the Green Arrow as he tries to stop a mugging, and Clark learns the attackers all have a darkness tattoo. Elsewhere, Carter Hall and Star Girl help Clark pursue Slade, who has kidnapped Lois.
The Good Guys (9pm, Fox) - In the Season 1 (and maybe series) finale, Jack and Dan respond to a dine-and-dash theft at a restaurant, and learn that a dirty cop may have murdered an informant against a Mafia kingpin.
Supernatural (9pm, CW) - Dean seeks out Death to get Sam's soul back, but Sam decides he doesn't want it returned and tries a protective spell to keep his soul out of his body.
TeenNick HALO Awards (9pm, Nick) - Nick Cannon hosts the second annual celebration honoring four teens who have taken leadership roles to help their communities. Each honoree meets with a celebrity, including Mariah Carey, Ashton Kutcher, Rosario Dawson, and Wyclef Jean.