I found the easter egg and there was a typo when sarge was talking the first time… It said “Caboose: blablvlavjd whatever he said.” Then it said “Sarge: blab what evs he saysis.”
LOOK!!!
http://ah.roosterteeth.com/archive/?id=6206&carousel=5&cid=3
It is at 34 seconds lol!
have a good day.