Gerald is Arnold's best friend who loves ping-pong.
"Watch hey Arnold" is not a question therefore cannot be answered at this time.
angry
Nadine Lowenthal (voiced by Lauren Robinson) .
The character was never given a last name
No. In the episode "The Journal" They reveal his parents (Miles and Stella) are explorers. His mom is a Botanist and they went to South America because they heard of an unknown disease that was killing plants, animals, and humans. Sometime after Arnold is born (He was born during their trip), they go back to America. But they are called back to South America. So they give Arnold to Miles's parents and they take off. Craig Bartlett created a follow up two hour movie set to air on Nickelodeon in November 2017 [exact date yet unknown] titled Hey Arnold Jungle Movie that will tie up the series and answer questions involving Arnold's missing parents.
Gerald.
Gerald Johanssen from Hey Arnold! shaves his sides so it grows tall instead of out!
Hey Arnold - 1996 Gerald's Game Fishing Trip 5-15 was released on: USA: 27 April 2002
Hey Arnold - 1996 Tutoring Torvald Gerald Comes Over 1-13 was released on: USA: 30 December 1996
Hey Arnold - 1996 Helga's Love Potion Gerald's Secret 2-2 was released on: USA: 28 September 1997
It was either Gerald Comes Over or Helga Blabs It All.
Hey Arnold! was created by Craig Bartlett .
There are 5 seasons of Hey Arnold.
"Watch hey Arnold" is not a question therefore cannot be answered at this time.
Hey Arnold - 1996 Arnold's Thanksgiving 3-14 was released on: USA: 18 November 1998
Hey Arnold - 1996 Arnold's Valentine 1-20 was released on: USA: 14 February 1997
Hey Arnold - 1996 Arnold's Christmas 1-19 was released on: USA: 14 December 1996