When ABC's Samantha Who returns on April 7....Sam may have gotten over studly carpenter Kevin (Eddie Cibrian), but her relationship woes have only just begun. "She'll have to choose between dating [ex-beau] Todd and marrying her boss."

When CBS' NCIS returns April 8....The secret past between Gibbs and Jenny "will come back to haunt them," says executive producer Shane Brennan, "leading to an emotionally devastating season finale."

When ABC's Boston Legal returns on April 8....Shirley Schmidt defends a veterinarian arrested for killing seals for food.

When NBC's 30 Rock returns on April 10....The success of Jack's pride and joy, "MILF Island," is sullied as he tries to find out who bad-mouthed him to the INew York Post/i's Page Six.

When NBC's The Office returns April 10....Tensions surface between Michael and Jan, Ryan slips on his way up the corporate ladder, and Michael and Dwight go "clubbing."

When NBC's ER returns April 10....Goran Visnjic returns to wrap up Luke and Abby's tempest-tossed storyline. "There will be a shocking reveal," teases exec producer David Zabel.

When NBC's Scrubs returns April 10...."You'll sense a tonal shift because we were, at the time, gearing up for the finale," says creator Bill Lawrence. (ABC might pick up the show for another round.)