Tonight's must-see: “Monk” season-opener

Adrian Monk finally seems on the road to emotional recovery. He’s getting past the death of his beloved wife. He’s even ready to trim back to two psychiatric sessions a week. Let’s not get too confident, though: There’s something new to mess up his mind.

While Agent Jack Bauer pursues a new lead with CTU, the threat intensifies when the hostiles raise the ante.

Gibbs and his team must investigate the apparent suicide of a Pentagon cryptographer some suspected of spying.

The team goes under cover at the Russian embassy in Israel seeking evidence of the sale of nuclear materials to Iran.