Arrow

Inside:Haunted Ep 5 "some minor spoilers"

http://youtu.be/4C05D57jTVc

Haunted Ep 4 Preview clip "Spoiler

http://youtu.be/Ur33dq_emp8

"Lost Souls" Ep 6 Trailer "Spoiler Alert So Be Warned":

http://youtu.be/zOB_zKjtzdo

"Lost Souls" Ep 6 clip:

http://youtu.be/LTEdso0eNng

Inside: Lost Souls:

http://youtu.be/9vL7AeqzE7M

nice ep, a couple familiar faces.

"Brotherhood" Ep7 Trailer "warning spoiler alert"

http://youtu.be/4YyXQwAND_Q

Preview pic from Ep 7 "Brotherhood"

the synopsis for Part 1 of the Arrow/Flash crossover that sets up legends of tomorrow has been released

http://comicbook.com/2015/11/13/the-flas...-released/

The second half of the cross over Ep 8 of Arrow titled "Legends of Yesterday" and as follows:

“Oliver and Barry Allen take Kendra Saunders and Carter Hall to a remote location to keep them hidden from Vandal Savage while they figure out how to defeat him. Malcolm arranges a meeting between Vandal, Green Arrow and The Flash that doesn’t go as planned. Meanwhile, Felicity, Thea, Diggle and Laurel work with Team Flash to come up with a weapon powerful enough to destroy Vandal Savage.”

First part of the cross over in The Flash Ep 8 is titled "Legends of Today" and as described in the link Rammy provided in the previous post.