Fourteen-year–old Megan and her best friend Amy spend a lot of time on the internet, posting videos of themselves and chatting with guys online...

When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!

In this interactive special, Harold and George need your decision-making skills to stop Krupp from blowing their beloved treehouse to smithereens.

Christmas gets weird - really weird - after George and Harold go back in time to change up a few of their beloved holiday's traditions.