Primetime Preview: Season Finale of Heroes

Tonight marks the end of the third season of Heroes. It's almost time to rejoice, TV viewers!

• 8:00 p.m. Team dances are featured on Dancing With The Stars (ABC); the season finale of Chuck (NBC); welcome Georgina back on Gossip Girl (The CW); House can't sleep on House (Fox); off to Vegas on The Big Bang Theory (CBS).
• 8:30 p.m. Rebecca Budig guest stars on How I Met Your Mother (CBS).
• 9:00 p.m. The season finale of Heroes (NBC); Jack interrogates a suspect on 24 (FOX); Nick Lachey guest stars on One Tree Hill (The CW); something unfunny happens on Two and a Half Men (CBS).
• 9:30 p.m. 40 days of sex on Surviving Suburbia (ABC).
• 10:00 p.m. There's a drowning on Castle (ABC).