http://www.youtube.com/watch?v=bi6yJuVoeyA
Laurence Fishburne runs a desorption electrospray ionization mass spectrometer on CSI: Crime Scene Investigation, scientific exposition ensues.
Update: the link is dead, but here is some other Laurence Fishburne
Now, if CSI et al. could just get it through their heads that a GC peak at 30 seconds probably doesn't confirm that the sample is gravy from Joe's diner.