This animatic clip was shown to us during the TAAFI live stream of the unaired ROTTMNT episode "Wedding Crashers", where Mikey and Raph infiltrate Ghost Bear's wedding.

Storyboarded by Kevin Molina-Ortiz and Sheldon Vella and Directed by Sebastian Montes.
I don't own anything. Please support the Original show. A million thank you's as well to the hosts, TAAFI organizers, and Nickelodeon for letting us see it.