"Parents Day" is the 82nd episode of Hey Arnold!, produced as the last episode of the show's third season, though it ended up airing during the fifth season. It is also the last Hey Arnold! episode to be animated on cels.


Arnold asks Grandpa Phil what really happened to his parents, and he finds out that they disappeared after they left the country on a plane, although they might still be alive.

Home video releases

  • Hey Arnold!: Season 4 (CreateSpace version)
  • Hey Arnold!: The Final Season
  • Hey Arnold!: The Complete Series
"Gee, this is harder than I thought."
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