G.I. Joe: A Real American Hero (1983)

S02E13 The Rotten Egg

Leatherneck goes to graduation ceremonies at a new academy, only to find it's overseen by Buck McCann, a former adversary now aligned with Cobra. Realizing McCann has sinister intentions to obliterate the Parris Island Marine Academy, Leatherneck must act quickly to thwart his plans and protect the institution.