If I taught the class (and I've been tempted but it's a money thing) I would gloss over much of the history but still emphasis the roots and ties of Psychology to Philosophy. I would teach the difference between Science and Junk Science and let no topic be sacred, let no student be unchallenged. The students would learn a lot about themselves, about their belief systems and how it affects their behavior.

It would be the most useful and dangerous "Required" class ever taught. Students sleep at their own risk. (sigh!)