Take another look @ footage from the "Arrow" episode "The Magician", written by Wendy Mericle, Marc Guggenheim and directed by John Behring, airing October 29, 2014, with guest stars Katrina Law as 'Nyssa al Ghul' and Matt Nable as 'Ra's al Ghul':
"...a furious 'Nyssa' confronts 'Oliver' about 'Sara'. When Oliver learns 'Malcolm Merlyn' is alive, he suspects Merlyn killed Sara.
"Oliver and Nyssa then join forces and go after the 'Dark Archer', intent on bringing Sara's killer to justice.
"'Laurel' keeps her distance from Nyssa, as she blames her sister's death on her involvement...
"...with the 'League of Assassins'.
"Meanwhile, Oliver and 'Roy' work on repairing their respective relationships with 'Thea', who has returned home, as Nyssa discusses Oliver with her father, 'Ra's al Ghul'..."
Click the images to enlarge and Sneak Peek "Arrow: The Magician"...