In the '80s, Wendy's created this training video. It features a hard rock theme song, a confused Dave Thomas, and the requisite cheesy graphics.
Oh, did we mention there's an utterly incredible scene where a Wendy's trainee gets sucked into a rap video? And that said rap video features bars upon bars about burger cooking? Because that happens. And it's arguably the best thing on the Internet today.
The good stuff starts at 3:40: