Hey Arnold!: 5x25
April Fool's Day
Arnold is sick and tired of everybody preforming their April Fool jokes on him (escpecially Helga), so he tries one of his own, but it backfires when it temporarily blinds Helga.
5 - 1Monkeyman! Mar. 04, 2001- 5 - 2Buses, Bikes, and Subways Mar. 04, 2001
- 5 - 3Helga's Masquerade Mar. 11, 2001
- 5 - 4Mr. Green Runs Mar. 11, 2001
- 5 - 5Sid the Vampire Slayer Mar. 18, 2001
- 5 - 6Big Sis Mar. 18, 2001
- 5 - 7Bag of Money Apr. 05, 2001
- 5 - 8Principal Simmons Apr. 05, 2001
- 5 - 9New Bully on the Block Apr. 12, 2001
- 5 - 10Phoebe Breaks a Leg Apr. 12, 2001
- 5 - 11Helga's Locket Apr. 19, 2000
- 5 - 12Sid and Germs Apr. 19, 2001
- 5 - 13Suspended Apr. 26, 2000
- 5 - 14Ernie in Love Apr. 26, 2001
5 - 15Parents Day May. 10, 2001
5 - 16Summer Love (a.k.a. Beach Story) Jun. 21, 2001- 5 - 17Stuck in a Tree Jan. 05, 2002
- 5 - 18Rhonda Goes Broke Jan. 05, 2002
- 5 - 19Beaned Jan. 12, 2002
- 5 - 20Old Iron Man Jan. 12, 2002
- 5 - 21Arnold Visits Arnie Jan. 26, 2002
- 5 - 22Chocolate Boy Jan. 26, 2002
- 5 - 23Harold vs. Patty Feb. 03, 2002
- 5 - 24Rich Guy Feb. 03, 2002
- 5 - 25April Fool's Day Apr. 01, 2002
- 5 - 26Gerald's Game Apr. 27, 2002
- 5 - 27Fishing Trip Apr. 27, 2002
- 5 - 28Married May. 11, 2002
- 5 - 29On the Lam Jun. 01, 2002
- 5 - 30Family Man Jun. 01, 2002
- 5 - 31The Racing Mule Oct. 14, 2002
- 5 - 32Curly's Girl Oct. 14, 2002
- 5 - 33The Journal (1) Nov. 11, 2002
- 5 - 34The Journal (2) Nov. 11, 2002
- 5 - 35Timberly Loves Arnold Jan. 28, 2003
- 5 - 36Eugene, Eugene! Jan. 28, 2003
- 5 - 37Ghost Bride Nov. 11, 2003
- 5 - 38Gerald vs. Jamie O Nov. 11, 2003
- 5 - 39A Day in the Life of a Classroom Nov. 15, 2003
- 5 - 40Big Bob's Crisis Nov. 15, 2003
- 5 - 41Phoebe's Little Problem Jun. 08, 2004
- 5 - 42Grandpa's Packard Jun. 08, 2004