Young Frankenstein must be about to hit its 30th anniversary.
I saw the trailer for this film during a rerelease of Gone With The Wind. That movie did little for me (and I haven't seen it since) but in the middle there was an intermission (lights on and all) and during the intermission, the trailer for Young Frankenstein was shown.
" Wow! What big knockers!" Dr F is eyeing the castle door
" Why, thank you, doctor" replies his assistant