Dr. Steve Brule has tackled a lot of subjects on his weekly show: Boats, money, health, and food. The building blocks of life, one might say. Fittingly, Check It Out! will end its second season on Adult Swim with an episode that tackles that which has previously been tackled piecemeal: "Life." The trailer for this week's episode hit the Interwebs today, and given Brule's promise to find out "who had the first life," it's fitting that today is 4/20. Because that's some serious shit, dude. Here's the video in all its nonsequitor, middle-school-educational-video glory: