G.I. Joe: Sigma 6 (2005)
The hot shot era of G.I. Joe: Gonzo's anime flavored reboot, flying motorcycles, rookie Joes, 26 episodes across two waves, 2005 and 2007.
Tag toy line era
G.I. Joe: A Real American Hero (1985)
The after school institution that turned a toy line into mythology: Snake Eyes, Cobra Commander, the PSA coda, all 139 episodes of the Sunbow and Marvel classic.