A buff, rugged version of Dexter who lives in a desolate future where Mandark has taken over the world.
(1999) is a landmark hour-long television special that served as the grand finale for the show's original run. Rather than a standard episode, it was the first-ever Cartoon Network original movie and marked the directorial debut of series creator Genndy Tartakovsky . The "One Who Saved the Future" [S5E7] Ego Trip
A wise, elderly version who holds the final secret to defeating Mandark. A buff, rugged version of Dexter who lives
A weak, tall adult Dexter working a miserable office job for his boss, Mandark. [S5E7] Ego Trip
Together, the four Dexters engage in an epic "four-on-four" battle against various versions of Mandark. Dexter's Laboratory: Ego Trip (TV Movie 1999) - IMDb