I'll put in my vote for Young Frankenstein
& Abbot & Costello meet Frankenstein
But if you must have a serious one, any of the Peter Cushing versions are pretty good (for e.g Curse of Frankenstein
The 74/75 miniseries The True Story
gave me nightmares as a child (the electrocution of Polidori on the mast of the ship) but I think if I rewatched it with modern eyes it would likely bore the pants off me..