Update February 6th, 11:16PM ET: The live stream has, unfortunately, ended. The final burn was successful, according to Elon Musk, but the Roadster is also no longer going to Mars. Instead, it’s going to the asteroid belt.
It shows it's age through the music, of course, and the handmade animation. Still, I think 21st century male adolescents and post-adolescents would get a kick out of it.