Arrow showrunner, Beth Schwartz, shared the title pages for episodes 5, 6 and 7 of the 7th season, revealing James Bamford as the Director of the episode that wrapped last week.
The episode title has been deemed too spoilery to be revealed and is written by Jill Blankenship and Rebecca Bellotto.
Recently, Stephen Amell shared the following regarding Episode 707:
While Kirk Acevedo shared the following:
It’s anyone’s guess if all of these are true. However, with Bam directing you know it’s going to be huuuuuuuuge and dynamic and awesome.
Congratulations James. All the best for your next episode, the crossover titled Elsewords Part 2.
BAMBAM FANS 
I definitely agree. I just love the episodes he directs.