Check out Mirchoff's on-the-set photo diary below for pictures that include his prized possession and a little grooming (seriously, what's with these shaving selfies?). Plus: Find out why he's not afraid to get up close and personal with Davern.
A little shaving session with Principal Cox (Neil Garguilo).
Is Mirchoff cleaning out Brett's ear wax?
Mirchoff eating with his beloved... Seahawks blanket!
It's the infamous sound guy Jimmy, who's also the co-leader of Mirchoff's band Jimmy's Soundcart.
What's a photo diary without an appearance from Molly Tarlov?
Mirchoff and his super secret final season script.
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Check out the video below for the cast's theories on where their characters will be in 10 years: