Thread:ClassicNickelodeon Fan 1/@comment-Puffleexperts-20131001235543/@comment-ClassicNickelodeon Fan 1-20131002223721
From Loonipedia
There will not be one block just for the Happy Harmonies. It is apart of the MGM block of cartoons, since they are apart of MGM. It airs every day at I believe 3 or 4am, so unless you have a DVR, you're out of luck.