STAGIONE:  
5.1 Enemies  
5.2 Threshold  
5.3 Ascension  
5.4 The Fifth Man  
5.5 Red Sky  
5.6 Rite of Passage  
5.7 Beast of Burden  
5.8 The Tomb  
5.9 Between Two Fires  
5.10 2001  
5.11 Desperate Measures  
5.12 Wormhole X-Treme!  
5.13 Proving Ground  
5.14 48 Hours  
5.15 Summit  
5.16 Last Stand  
5.17 Fail Safe  
5.18 The Warrior  
5.19 Menace  
5.20 The Sentinel  
5.21 Meridian  
5.22 Revelations