Now that I'm in the mood to make a list, I'll do it by listing my favourite movies and TV shows that featured mad scientists. While other kids were dreaming of being the next Cincinnati Red's pitcher, I wanted to be Dr. Frankenstein. To my knowledge none of the kids I grew up with made the team and I never created life from dead bodies. Anyway, here goes:

"Frankenstein" and "Bride of Frankestein." It's alive!
"Gattaca." In the future, biology is destiny.
"The Decay of Strange Particles" episode from The Outer Limits TV show.
"The Mad Doctor of Market Street."
"2001"
"The Time Travellers"
"The 4D Man."
"The Unearthly." Love the part where John Carridine can't figure out why his experiments are going wrong. I've had days like that too.
"The Lathe of Heaven(1980)."
"The Thing With Two Heads."

And that's all I can come up with right now.
Igor, bring me the flask!