Funny / What's Up, Doc?

  • The climactic chase scene.
  • The court scene that follows.
  • And our heroes on the plane at the very end:
    Judy: Love means never having to say you're sorry. [Bats her eyelashes]
    Howard: ...That's the dumbest thing I ever heard.
http://tvtropes.org/pmwiki/pmwiki.php/Funny/WhatsUpDoc