ABC's top-rated "Grey's Anatomy" will return to its usual Thursday night time period in April, bumping "Lost" to the less desirable 10 p.m. slot.

"Law & Order" veteran Jesse L. Martin is leaving the long-running NBC drama after nine years, and will be replaced by Anthony Anderson.

CBS is adding divorce to its reality development slate. The network has ordered two pilots: "Splitsville," described as "The War of the Roses" meets "Let's Make a Deal," is a game show for divorcing couples who battle it out for their belongings in a series of competitive challenges.

Full episodes of more than a dozen old shows will be available to stream on NBC.com and other NBC Universal Web sites beginning this month. The complete list of series and their Web sites:

NBC.com: "The A-Team"; "Emergency"; "Night Gallery"; "The Alfred Hitchcock Hour"; "Miami Vice"; "Battlestar Galactica" (1978); and "Buck Rogers."

Scifi.com: "Battlestar Galactica" (1978); "Buck Rogers"; "TekWar"; and "Night Gallery."

ChillerTV.com: "The Alfred Hitchcock Hour"; "Swamp Thing"; "Tremors"; "Crow"; and "Night Gallery."

SleuthChannel.com: "Kojak"; "Miami Vice"; "Simon & Simon"; "A-Team"; and "Night Gallery."