Episode Details & Credits
| Nickelodeon | Air Date: October 16, 1999 |
Grandpa Phil's sister unexpectedly shows up at the Boarding House, but Arnold doesn't know why she and Grandpa Phil are always fighting with each other.Synchronized Swimming:
Coach Wittenberg talks Arnold, Eugene, Harold, and others to join a synchronized swimming team, and swim to the classic movie, "Come Back Wayne."
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Season 4 Episodes
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S4:E31. Dino Checks Out
Air Date: December 11, 1999
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S4:E30. Helga on the Couch
Air Date: December 4, 1999
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S4:E30. Helga on the Couch
Air Date: December 4, 1999
Seasons & Episodes
- Series Overview
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Season 5
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Season 5 Overview
Air Date: March 4, 2000
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Season 5 Overview
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Season 4
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Season 4 Overview
Air Date: March 10, 1999
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S4:E31. Dino Checks Out
Air Date: December 11, 1999
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S4:E30. Helga on the Couch
Air Date: December 4, 1999
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S4:E30. Helga on the Couch
Air Date: December 4, 1999
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S4:E29. Veterans Day
Air Date: November 6, 1999
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S4:E17. Dino Checks Out
Air Date: December 11, 1999
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S4:E16. Helga on the Couch
Air Date: December 4, 1999
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S4:E15. Veterans Day
Air Date: November 6, 1999
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S4:E14. Friday the 13th / Headless Cabbie
Air Date: October 30, 1999
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S4:E13. Helga Sleepwalks / Fighting Families
Air Date: October 23, 1999
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S4:E12. Grandpa's Sister / Synchronized Swimming
Air Date: October 16, 1999
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S4:E11. Weird Cousin / Baby Oskar
Air Date: October 9, 1999
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S4:E10. Grudge Match / Polishing Rhonda
Air Date: September 25, 1999
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S4:E9. It Girl / Deconstructing Arnold
Air Date: September 18, 1999
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S4:E8. Back to School / Egg Story
Air Date: September 11, 1999
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S4:E7. Love and Cheese / Weighing Harold
Air Date: April 7, 1999
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S4:E6. Helga's Parrot / Chocolate Turtles
Air Date: April 5, 1999
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S4:E5. Dinner for Four / Phoebe Skips
Air Date: March 31, 1999
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S4:E4. The Beeper Queen / Oskar Can't Read?
Air Date: March 29, 1999
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S4:E3. Eugene's Birthday / Stinky's Pumpkin
Air Date: March 17, 1999
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S4:E2. Big Gino / Jamie O. in Love
Air Date: March 15, 1999
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S4:E1. Full Moon / Student Teacher
Air Date: March 10, 1999
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S4:E0. Part 2
Air Date: unknown
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Season 4 Overview
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Season 3
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Season 3 Overview
Air Date: August 31, 1998
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Season 3 Overview
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Season 2
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Season 2 Overview
Air Date: September 22, 1997
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Season 2 Overview
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Season 1
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Season 1 Overview
Air Date: October 7, 1996
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Season 1 Overview