![Harry Potter Gets the "Friday" Treatment in Mock Trailer [VIDEO]](https://helios-i.mashable.com/imagery/archives/03qEPUGVZTg1zYu7H6JfpAz/hero-image.fill.size_1248x702.v1647020074.jpg)
Each day, Mashable highlights one noteworthy YouTube video. Check out all our viral video picks.
The final installment of Harry Potter premieres on Friday, and, appropriately, someone has created a Potter-themed cover of Rebecca Black's "Friday" to mark the occasion.