Tricky Old Teacher Best Full Patched Video -

If you have ever struggled with math or physics, sitting through the for the full 49 minutes is a rite of passage. You will laugh when he nearly brains himself with the pendulum. You will curse when you get the "tricky question" wrong. And you will cheer when he cackles at your mistake.

If you were actually looking for lighthearted or educational content, there are several viral trends with similar names: