00:00:00,230 --> 00:00:01,730 DAVID MALAN: --we will see you soon. Cake is now served. 00:00:06,080 --> 00:00:09,080 DOUG LLOYD: Well, if you make it to the very last few seconds of lecture videos, you might see something like this. DAVID MALAN: It's a little litmus test to see who's actually tuning in until the end. DOUG LLOYD: So what we have here? DAVID MALAN: This is one of our most artistic initiatives, thanks to CS50's production team this past summer, where it's a riff on the famous film Citizen Kane. And there CS50's on. Lawrence [? Skelly, ?] star of the film, playing the role of a detective trying to track down a disappeared person. DOUG LLOYD: Disappeared [INAUDIBLE]. And here comes Christian. DAVID MALAN: Yeah, this was a costuming issue here. We were trying to find a fedora, I think, for Christian's hat, but could only find a cowboy-- DOUG LLOYD: Got a cowboy hat. DAVID MALAN: It goes so well with his Guatemalan accent. DOUG LLOYD: You know, he really pulls it off. I don't think there are many people on our staff that can pull off that hat, but Christian's got it. DAVID MALAN: I worry he's a little typecast now though. There's the CS50's Zone Ian Sexton. DOUG LLOYD: But yeah, tune in, we've got 12 parts of this series, or 13 parts of the series, so tune in to see what happens. DAVID MALAN: A taste of each one at the end of each week.