Hey Arnold!

Hey Arnold!

Biosquare (2x37)


Air date: Jan 06, 1997

Arnold and Helga perform a science project in which they're locked together in a greenhouse for 24 hours, but Helga's only looking for an easy A.

  • Premiered: Oct 1996
  • Episodes: 190
  • Followers: 127
  • Ended
  • Nickelodeon
  • Daily at 18