HDTV Listings for May 18, 2009

What we're watching tonight:

• Fox (720p) has the two-hour season finale of 24 at 8 p.m.

• CBS (1080i) has Rules of Engagement at 8 p.m. followed by the season finales of How I Met your Mother at 8:30 p.m., Two and a Half Men at 9 p.m., Rules of Engagement at 9:30 p.m. and CSI: Miami at 10 p.m.

• CW (1080i) has the season finales of Gossip Girl at 8 p.m. and One Tree Hill at 9 p.m.

• Travel (1080i) has the season finale of Dhani Tackles the Globe at 9 p.m.

• ABC Family (720p) has Greek at 8 p.m.

• NBC (1080i) has Medium at 10 p.m.

• ABC (720p) has Dancing with the Stars at 8 p.m.

• Discovery (1080i) has Weaponizers at 8 & 9 p.m. and the season finale of Doing Da Vinci at 10 p.m.

• History (720p) brings the season finale of Ax Men at 9 & 10 p.m.

• TLC (1080i) brings the season finale ofTable for 12 at 9 & 9:30 p.m.

• A&E (720p) has the season finale of Paranormal State at 10 p.m.

• USA (1080i) has WWE: Raw at 9 p.m.

• HBO (1080i) has In Treatment at 9, 9:30 & 10 p.m.

• Versus (1080i) has NHL Playoffs action with Carolina/Pittsburgh at 7:30 p.m.

• ESPN (720p) airs Twins/Yankees baseball at 7 p.m.