What we're watching tonight:
- Fox (720p) presents the season finale of Prison Break at 8 p.m., followed by Terminator: The Sarah Connor Chronicles
- NBC (1080i) brings a new episode of Medium at 10 p.m.
- CBS (1080i) has Welcome to the Captain at 8:30 p.m. followed by New Adventures of Old Christine
- ABC (1080i) slides in October Road at 10:01 p.m.
- ESPN HD (720p) drops a college basketball doubleheader starting at 7 p.m.