05/11/2014 05:27 GMT | Updated 05/11/2014 05:59 GMT

Sir Ian McKellen Does Gandalf Again. And Yes We're Still Going To Watch It

We all know what's coming; Sir Ian McKellen - aka all-time legend - gives students lecture, tells them they have to revise, tells them what will happen if they don't revise.

This time it was Students at Harvard University who got the pep talk.

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If you don't know what happens next, WHERE HAVE YOU BEEN??!

Sir Ian McKellen this evening 👏

A video posted by Ambrose Fullalove (@ambrosefullalove) on