Timon's Time Togo Timon & Pumbaa : Season 1 Episode 19

Under a shady tree in hot weather on what he believes to be a Wednesday afternoon, Timon eats a toxic bug and dies. He is destined for Heck, but gets a second chance. So an angel agrees to send him back to earth so that he can do one good deed to enter heaven. Timon resolves to never again do any good deeds, since that tactic will ensure he'll live forever.