Hey Arnold -- "Mamma Mia"

I pretty much had to make a Helga-centric vid and...well... this one was just plain fun to make! xD Hope you enjoy! It took forever!
Hey Arnold belongs to Craig Bartlett, Nickelodeon, Viacom, so on and so forth
Mamma Mia (original version) by ABBA; this version by the ABBA Teens