There are 5 seasons of Hey Arnold.
Gerald.
In 2006 in an online chat with Hey Arnold! fans, Bartlett revealed that Arnold's grandpa used his last name throughout the series, almost confirming that Arnold's last name is "Shortman".
Shortman.
Hey Arnold - 1996 Arnold Visits Arnie Chocolate Boy 5-12 was released on: USA: 26 January 2001
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
No.
Gerald.
In 2006 in an online chat with Hey Arnold! fans, Bartlett revealed that Arnold's grandpa used his last name throughout the series, almost confirming that Arnold's last name is "Shortman".
Arnold from "Hey Arnold". the show used to be on nickolodeon
Hey Arnold - 1996 Arnold Saves Sid Hookey 2-7 was released on: USA: 2 November 1997
Hey Arnold - 1996 Arnold's Hat Stoop Kid 1-3 was released on: USA: 14 October 1996