>Jericho (CBS, Feb. 21, 8 p.m. ET) The apocalyptic drama starring Skeet Ulrich is back from break with a flashback episode set before everything went kablooey.
Heroes (NBC, Feb. 19, 9 p.m. ET) Another
new character! Hana Gitelman (Stana Katic) can pick up wireless communication mentally. So she doesn't need a Blackberry.
The Amazing Race: All-Stars (CBS, Feb. 18, 8 p.m. ET) Eleven teams from the past 10 seasons compete anew. They include Rob and Amber Mariano and little person Charla Baklayan Faddoul and her cousin Mirna Hindoyan.
The O.C. (FOX, Feb. 22, 9 p.m. ET) It's goodbye to Rachel Bilson
, Adam Brody and Benjamin McKenzie. They had the potency of sex and youth, but their show ends here, tonight.
Desperate Housewives (ABC, Feb. 18, 9 p.m. ET) Tom's pizzeria opens—finally—and the network hints that someone may end up toast.