HDTV Listings for January 21, 2011

What we're watching tonight:

• CBS (1080i) has the series finale of Medium at 8 p.m.
• Fox (720p) has Fringe at 9 p.m.
• Syfy (1080i) has WWE Smackdown at 8 p.m. and Merlin at 10 p.m.
• BBC America (1080i) has Law & Order: UK at 9 p.m.
• Cartoon Network (1080i) has Star Wars: The Clone Wars at 8:30 p.m.
• Discovery (1080i) has Flying Wild Alaska at 9 p.m. and Gold Rush: Alaska at 10 p.m.
• TLC (1080i) has Say Yes to the Dress at 9 & 9:30 p.m. and Four Weddings at 10 p.m.
• HBO (1080i) has The Ricky Gervais Show at 9 p.m., Real Time with Bill Maher at 10 p.m. and Funny or Die Presents at 11:59 p.m.
• Starz (1080i) has the series premiere of Spartacus: Gods of the Arena at 10 p.m.
• ESPN (720p) has an NBA doubleheader with Knicks/Spurs at 8 p.m. and Lakers/Nuggets at 10:30 p.m.
• ESPN2 (720p) has Australian Open tennis at 9 p.m.