During a majority of the scenes that take place in 1977, Lorna Doom is seen with a raven style haircut, however, photographic evidence confirms that she still had a poodle haircut during this period.
During scene set at LA hot dog stand in late Seventies, huge wall menu in background reflects 2000 era fast food prices and even lists at least one soft drink not introduced until years later.
While The Germs play their show at the Orpuim, Darby Crash throws powdered sugar at The Damned for their harsh remarks. In the scene before Darby grabs the sugar you can clearly see that the lead singer of The Damned is already covered in powdered sugar.
After being kicked out of the Orpium for messing up stage equipment, The Germs introduce themselves as Darby Crash and Pat Smear even though at the time The Germs hadn't come up with their stage names yet.
Darby Crash: I love those who do not know how to live, except in perishing, for they are those that go beyond. I love the great despiser's, because they are the great adorers. They are arrows longing for the other shore. I love those who do not seek beyond the stars for a reason to parish and be sacrifice; but who sacrifice themselves to earth in order that earth may some day become... supermans. Tell me, my brothorin, if the goal be lacking to humanity is not humanity itself lacking; it is time for man to mark his goal. It is time for man to plant his germ of his highest hope.
Darby Crash: Everything works in circles. Like sometimes you're doing something, and a year later you're back at the same point. You understand that? So circle one, is what we're doing now, and someday we'll probably do circle two.