Stealing Disney's Head - 5x17

Cryptic Mini #000000124: 

"Stealing Disney's Head"

difficulty level: am i the baddie?

Hello! It's been a long-ass time, so here's a long-ass grid.

I noticed my clue vault had three great clues for 17-letter-long answers, so I tried to squeeze them into one grid... and failed. To make the crossers work, I had to remove one of the 17s... and then another. So this whole puzzle is just to show off one clue. See if you can guess which one!

(ps. due to this grid's freakish nature, clue fonts may will look wacky. apologies in advance!)

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