Arrow — “Al Sah-Him” — Image AR321A_0009b — Pictured (L-R): Katrina Law as Nyssa Al Ghul and Katie Cassidy as Laurel Lance — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321A_0024b– Pictured (L-R): Katrina Law as Nyssa Al Ghul, Katie Cassidy as Laurel Lance and David Ramsey as John Diggle — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321A_0049b — Pictured: Katrina Law as Nyssa Al Ghul — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321A_0247b — Pictured (L-R): David Ramsey as John Diggle and Katie Cassidy as Black Canary — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321A_0277b — Pictured (L-R): David Ramsey as John Diggle and Katie Cassidy as Black Canary — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321A_0313b — Pictured: Katrina Law as Nyssa Al Ghul — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0020b — Pictured: David Ramsey as John Diggle — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0039b — Pictured: Willa Holland as Thea Queen — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0080b — Pictured (L-R): David Ramsey as John Diggle, Emily Bett Rickards as Felicity Smoak and Katie Cassidy as Laurel Lance — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0084b — Pictured: Katie Cassidy as Laurel Lance — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0156b — Pictured: XXXX– Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0222b– Pictured (L-R): David Ramsey as John Diggle, Emily Bett Rickards as Felicity Smoak and Katie Cassidy as Laurel Lance — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0243b — Pictured (L-R): David Ramsey as John Diggle and Emily Bett Rickards as Felicity Smoak — Photo: Cate Cameron/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Arrow — “Al Sah-Him” — Image AR321B_0342b — Pictured: David Ramsey as John Diggle — Photo: Dean Buscher/The CW — © 2015 The CW Network, LLC. All Rights Reserved.

Episode Description:

THE LEAGUE OF ASSASSINS SETS THEIR SIGHTS ON NYSSA – Oliver (Stephen Amell) goes through a rigorous transformation. The League of Assassins sets their sights on Nyssa (guest star Katrina Law), who is back in Starling City training Laurel (Katie Cassidy). When Nyssa realizes they are coming, she arms up to face them alone but Laurel asks Felicity (Emily Bett Rickards) and Diggle (David Ramsey) to help protect her new friend. Thor Freudenthal directed the episode with story by Beth Schwartz and teleplay by Brian Ford Sullivan & Emilio Ortega Aldrich (#321).