Hey Arnold! is a TV show that aired from the '90s to the early-to-mid 2000s.

Hey Arnold is a TV show.

THE BEST 90s kid TV show. About a kid with a football head and his 10 year old friends that walk about new york city and have adventures that no regular 10 year old would ever have these days.

A 90s kid TV show.

Part of #90s

Demi Lovato and the Jonas Brothers started saying move it football head :D

Because of Demi Lovato and the Jonas Brothers =D

Tweets by Demi Lovato and the Jonas brothers spawned talk of the cartoon.

Demi and Jonasbrothers wanted Hey Aronald a trending topic so #feelbetteralicia will be a trending topic

Because Demi Lovato and the Jonas Bruthas tweeted "Move it football-head", and their fans are crazy bitches who make everything they say into a TT. Plus JB likes the grandfather with the penis chin.

@ddlovato and @jonasbrothers tweeted "Move it football head," (a quote from the TV show Hey Arnold). People started talking about, it became a TT, then people started asking why it's a TT.

@ddlovato and @jonasbrothers tweeted "Move it football head," people started talking about, it became a TT, then people started asking why it's a TT.

Because @ddlovato apparently owns twitter

Let's have some fun, this beat is sick, I wanna take a ride on Grandpa's penis chin stick.

Hey Arnold is a trending topic because @ddlovato is clearly the head bitch in charge.

That Grandpa's penis chin was sexy, don't deny it

The grandpa has a penis chin.

Because a man named Arnold had a football shaped head, and he was in Demi Lovato's way.

You see, Demi Lovato tweeted "Move it football-head!". The Jonas Brothers, being as cunning as they are, replied back to her saying, "Move it football-head". Therefore, the crazies started going "OMGZZZZ HEY ARNOLD! HAHAHAHAHAHAHAHAHA".

The Jonas Brothers and Demi Lovato started a cult when they tweeted "move it football head"

The Jonas Brothers and Demi Lovato started it when they tweeted "move it football head". BTW they are GAY!

The Jonas Brothers and Demi Lovato started it when they tweeted "move it football head". BTW they are awesome!

The Jonas Brothers and Demi Lovato started a cult when they tweeted "move it football head". And they like the grandpa's penis chin.

The Jonas Brothers and Demi Lovato started a cult when they tweeted "move it football head".

penis chinnnnnnnnnnnnn

You see, Demi Lovato tweeted "Move it football-head". The Jonas Brothers replied back to her saying, "Move it football-head". And the crazies started going "OMGZZZ HEY ARNOLD!!! HAHAHAHAA" because of those Disney phenomenons.

Grandma with penis chin.

Because the Jonas Brothers and Demi Lovato tweeted about it.

Because the Jonas Brothers liked the grandfather with the penis chin.

The Jonas Brothers and Demi Lovato tweeted "Move it Football-head" and their crazy ass fans started freaking out about it. Of course.

The Jonas Brothers and Demi Lovato tweeted "Move it Football-head" and their crazy ass fans started freaking out about it. Of course.

The Jonas Brothers and Demi Lovato tweeted "Move it Football-head" because they are dumb and that show is stupid.

The Jonas Brothers and Demi Lovato tweeted "Move it Football-head" because they are smart and that show is kickass.

The Loser Brothers and Demi Lovato both said "Move it football-head!" which caused people to talk about the old Nickelodeon show.

The Jonas Brothers and Demi Lovato both said "Move it football-head!" which caused people to talk about the old Nickelodeon show.

Demi Lovato and the Jonas Brothers tweeted, "Move it football head!"

Jonas Brothers are babies and still watch Nickelodeon.

Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon. Also, people are taking a quiz about who their favorite character was from Hey Arnold.

Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon. Also, people are taking a quiz about who their favorite character was from Hey Arnold. Because the Jonas Brothers are babies and still watch Nickelodeon.

Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon. Also, people are taking a quiz about who their favorite character was from Hey Arnold.

Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon.

@daveteshcom Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon.

@davetesh Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon.

Demi Lovato and the Jonas Brothers tweeted "Move it football-head!", which sparked talk about the old Nickelodeon cartoon.

Demi Lovato (@ddlovato) tweeted "Move it football-head!"

DDlovato tweeted "Move it football-head!"

People is reminiscing about how good the show was.