Sam (Scott Bakula) is fashion photographer Karl Granson in One Strobe Over the Line. This episode was penned by Chris Ruppenthal and aired on 19 October, 1990. It’s 15 June, 1965, and Sam is there to make sure that an up and coming model, Edie Landsdale (Marjorie Monaghan) doesn’t die of an overdose. In the…