WATCH: Gene Wilder remembered by friend/collaborator Mel Brooks.

Watch Mel Brooks remember his friend and collaborator Gene Wilder below.

What a sad day for comedy. Star of “The Producers,” “Blazing Saddles” and “Young Frankenstein” (three of the funniest movies if all-time) Gene Wilder passed away due to complications with Alzheimer’s disease at 83. Watch Gene’s friend and longtime collaborator Mel Brooks reflect below.

BONUS: Trailer for the movies mentioned above.