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The CW's Vancouver-lensed "Smallville" episode "Legion", written by Geoff Johns and directed by Glen Winter will air January 15, 2009:
"...The aftermath of the 'Doomsday' (Sam Witwer) attack on 'Chloe' (Allison Mack) and the wedding of 'Jimmy' (Aaron Ashmore) leaves 'Clark' (Tom Welling) in shock, but before he can search for kidnapped Chloe, 'The Persuader' (Fraser Aithceson) appears and attacks him.
'Rokk' (Ryan Kennedy), 'Imra' (Alexz Johnson) and 'Garth' (Calum Worthy), aka 'The Legion', step in from the future to help vanquish the Persuader, realizing that 'Brainiac' has taken over Chloe again.
Meanwhile, up at the 'Fortress', Chloe, as Brainiac, informs 'Davis' he is Doomsday, created to kill 'the other Kryptonian' and destroy the world..."