'CSI: Crime Scene Investigation" ends its distinguished run Sept. 27 with a special two-hour episode that features original cast members William Petersen and Marg Helgenbrger. When "CSI" debuted on Oct. 6, 2000, no one could have predicted the show's huge success -- it was just one of the many shows debuting that month (the 2000-01 TV season launched in October due to the Sydney Summer Olympics dominating much of September's airtime). But succeed it did, unlike these five big-star shows which also premiered that month and are little remembered 15 years later.

BETTE (CBS) CBS had high hopes for this sitcom starring the Divine Miss M as a brash entertainer trying to juggle her family and career. (Major historical footnote: Lindsay Lohan, then 14, played Bette's daughter in the pilot; the role was recast after that episode.)

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GIDEON'S CROSSING (ABC) In his first post-"Homicide" role, Andre Braugher was just as intense as a Boston doctor as he had been as Det. Frank Pembleton. But this medical drama flatlined.

Story'CSI' stumbles to the finish line for series finale

THE MICHAEL RICHARDS SHOW (NBC) Richards couldn't bring any of Kramer's kevorka to this miserable sitcom on which he played a private detective.

TITANS (NBC) This ill-conceived attempt at reviving the nighttime soap focused on a ruthless CEO (Perry King) and his ex-wife (Victoria Principal, long removed from "Dallas").

WELCOME TO NEW YORK (CBS) Comedian Jim Gaffigan played a character named "Jim Gaffigan" who wasn't a comedian -- he was a Fort Wayne, Ind., TV weather forecaster who just took a similar gig at a New York morning talk show.