Harry Potter and the Half-Blood Prince 
Boys and girls pair off; expository bookkeeping sets up the final conflict
Whatever Works 
So long as you don't hurt anybody and adapt to a New York state of mind... "whatever works"
Transformers: Revenge of the Fallen A big, noisy, brash summer blockbuster entirely unashamed of those aspirations
Up Up soars
Star Trek A standalone adventure that requires no knowledge whatsoever of where the series has gone before