Crossword puzzle clue "this puzzle's theme you can get behind"

This puzzle's theme you can get behind

"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)

Grate, with "get," or what this puzzle's theme answers get

Things you can __ (theme of the puzzle)

So close that you can't miss, and a hint to this puzzle's theme

Show that isn't part of this puzzle's theme (but you can watch it while having a late dinner)

Brains behind this puzzle's theme messages

Some film credits, and the idea behind the eight theme answers in this puzzle