What we're watching tonight:
- ABC (720p) has Dancing With the Stars at 8 p.m. and Castle at 10:02 p.m.
- Fox (720p) has 24 at 9 p.m.
- NBC (1080i) lines up Chuck at 8 p.m. followed by Heroes and Medium
- CBS (1080i) has How I Met Your Mother at 8 p.m., Rules of Engagement at 9:30 p.m. and CSI: Miami at 10 p.m.
- ABC Family (720p) has the season finale of The Secret Life of the American Teenager at 8 p.m. and the series premieres of Roommates at 9 p.m. and Sophie at 9:30 p.m.
- CW (1080i) has Gossip Girl at 8 p.m. and One Tree Hill at 9 p.m.
- Discovery (1080i) airs Destroyed in Seconds at 8 & 8:30 p.m.
- History (720p) has Battles BC at 9 p.m. and Ax Men at 10 p.m.
- TLC (1080i) brings Little People, Big World at 8 & 8:30 p.m. followed by the season finale of Jon & Kate Plus 8 at 9 & 9:30 p.m., and the series premiere of Table for 12 at 10 & 10:30 p.m.
- TNT (1080i) has Saving Grace at 10 p.m.
- USA (1080i) has WWE: Raw at 9 p.m.
- Travel (1080i) has Dhani Tackles the Globe at 9 p.m.
- Versus (1080i) has Devils/Flyers NHL action at 7 p.m.
- ESPN (720p) has the 2009 WBC Championship with Japan/Korea at 9:30 p.m.