My Brother's Keeper G.I. Joe : Season 4 Episode 18
TV-Y7 30m int(0)
Aired: October 15th, 1986
When approached by COBRA to perfect a anti-matter weapon, in exchange to walk again, Dr. Jeremy Penser agrees to the deal, but may regret it when his kid brother gets caught up in the fight between COBRA and G.I. Joe over the weapon.