Also, just in case you do not know what "Magnum Opus" means, here is the definition:

How is Jeffy's Fun Day a Magnum Opus?

@BonnieGrava you bring up a good and valid point, but at the same time I tried not to take the Magnum Opus definition to literally, due in large part to how I did not take want to take this poll too seriously.

K.

Jeffy's fun day is a masterpiece better than Marvel, Star Wars, DC, and Harry Potter.

Jeffy's Fun Day, that video was so emotional and it brought a tear to my eye because of how beautiful it is, I can't believe Black Yoshi returned and everyone came back, that was my favorite SML video of all time, this SML movie is a masterpiece and nothing will ever top it