[More from Mashable: 10 Things You Didn’t Know About Yelp]
Kal Penn (as Kumar) and John Cho (as Harold) reprise their characters from the stoner film franchise, making cameo appearances in the nearly minute-long video. (Their only other presidential interaction was a bonding session with George W. Bush in Harold and Kumar Escape from Guantanamo Bay).
The promo, which was uploaded Monday, starts off seriously enough, with Obama picking up the phone and calling an unidentified person in what appears to be the White House.
[More from Mashable: Paralympic Table Tennis Shot Astounds and Inspires [VIDEO]]
"Hey, this is Barack. Listen, I need to know if you're on board," he says while sitting at a desk. "'Cause I'm counting on you. Everybody is. We have to get this right. So there's a lot at stake here. Just remember that I'm trusting you on this, and I'll see you then."
The camera then pans to a shot of Harold and Kumar sitting on a couch, while watching cartoons and eating junk food. As it turns out, Obama was speaking to Kumar, who takes the entire conversation in stride. Check out the video above to see what happens.
Viewers can watch the DNC live on BarackObama.com. The event will take place in Charlotte, N.C., on Sept. 6.
What do you think of the video? Tell us in the comments.
This story originally published on Mashable here.