As is custom for the hit series, the second-to-last episode of the season is named after a Bruce Springsteen song.
When the previous batch of synopses were released for the week of May 4, Arrow was not included due to plot points which would have spoiled last night's episode.
You can check out the full synopsis below.
“This is Your Sword” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)
AL SAH-HIM TAKES HIS FINAL STEPS TO ASCENSION; ROY AND THEA REUNITE — Oliver/Al Sah-him (Stephen Amell) finishes his training and is left with two final tasks to become the next Ra’s al Ghul. Ra’s (guest star Matt Nable) threatens Nyssa (guest star Katrina Law) and delivers some shocking news. Meanwhile, Malcolm (John Barrowman) makes a surprising offer to Team Arrow and Thea (Willa Holland) goes to see Roy (Colton Haynes). Wendey Stanzler directed the episode with story by Erik Oleson and teleplay by Ben Sokolowski & Brian Ford Sullivan (#322). Original airdate 5/6/2015.