G.I. Joe Sigma Six G.I. Joe Sigma Six E018 – Challenge

G.I. Joe Sigma Six G.I. Joe Sigma Six E018 – Challenge

G.I. Joe Sigma Six G.I. Joe Sigma Six E005 – Sigma

G.I. Joe Sigma Six G.I. Joe Sigma Six E005 – Sigma

G.I. Joe Sigma Six G.I. Joe Sigma Six E026 – Assault

G.I. Joe Sigma Six G.I. Joe Sigma Six E025 – Ice

G.I. Joe Sigma Six G.I. Joe Sigma Six E017 – Showdown

G.I. Joe Sigma Six G.I. Joe Sigma Six E003 – Capture

G.I. Joe Sigma Six G.I. Joe Sigma Six E017 – Showdown

G.I. Joe Sigma Six G.I. Joe Sigma Six E026 – Assault

G.I. Joe Sigma Six G.I. Joe Sigma Six E012 – Operation Zeus (Part 1)

G.I. Joe Sigma Six G.I. Joe Sigma Six E016 – Search

G.I. Joe Sigma Six G.I. Joe Sigma Six E006 – Race

G.I. Joe Sigma Six G.I. Joe Sigma Six E015 – Invasion

G.I. Joe Sigma Six G.I. Joe Sigma Six E011 – Lift Off

G.I. Joe Sigma Six G.I. Joe Sigma Six E013 – Operation Zeus (Part 2)

G.I. Joe Sigma Six G.I. Joe Sigma Six E015 – Invasion

G.I. Joe Sigma Six G.I. Joe Sigma Six E021 – Duel

G.I. Joe Sigma Six G.I. Joe Sigma Six E008 – Vacation

G.I. Joe Sigma Six G.I. Joe Sigma Six E022 – Awards

G.I. Joe Sigma Six G.I. Joe Sigma Six E008 – Vacation

G.I. Joe Sigma Six G.I. Joe Sigma Six E014 – Hidden

G.I. Joe Sigma Six G.I. Joe Sigma Six E013 – Operation: Zeus (Part 2)

G.I. Joe Sigma Six G.I. Joe Sigma Six E001 – COBRA Strike

G.I. Joe Sigma Six G.I. Joe Sigma Six E009 – Polar

G.I. Joe Sigma Six G.I. Joe Sigma Six E023 – Balance