Arrow Executive Producer Marc Guggenheim shared the title of Episode 508 directed by James Bamford to Comicbook.com and it’s Invasion! It will be the middle of a 3 episode/four show crossover.
James has just returned from LA, and shared some photos of the editing process for the 100th episode:
The episode is edited by Jessie Murray.
BAMBAM FANS 
I have been loving all these episodes BamBam has directed.
Me too… he’s a natural. I think the 100th will be awesome 😀 Thanks for the ❤️