501 Enemies
502 Threshold
503 Ascension
504 The Fifth Man
505 Red Sky
506 Rite of Passage
507 Beast of Burden
508 The Tomb
509 Between Two Fires
510 2001
511 Desperate Measures
512 Wormhole X-Treme
513 Proving Ground
514 48 Hours
515 Summit
516 Last Stand
517 Fail Safe
518 The Warrior
519 Menace
520 The Sentinal
521 Meridian
522 Revelations
