This summer ABC.com will feature full episodes on its broadband player of summer programming including "American Inventor," "Ex-Wives Club," "Fast Cars & Superstars," "Fat March," "National Bingo Night," "Shaq's Big Challenge," "The Next Best Thing" and "Traveler."

NEW YORK (AP) - They premiered with high hopes - theirs and ours. This season was rife with new serialized mysteries, each of them propelled by long-range intrigue we viewers were urged to submit to.

ABC has announced its new Wednesday night lineup: new alternative series "The Next Best Thing: Who is the Greatest Celebrity Impersonator?," returning series "American Inventor" and new drama Traveler. A special two-hour premiere of "The Next Best Thing: Who is the Greatest Celebrity Impersonator?" will air Wednesday, May 30 (8:00-10:00 p.m., ET; the series will normally air from 8:00-9:00 p.m.), followed by the new drama, "Traveler," from 10:00-11:00 p.m., ET.