Ben and crew of The North Star uncover a device emitting a strange sound. Meanwhile, Ryn finds shelter in the home of the local folklore expert.

Dr. Shaun Murphy’s attention to detail complicates his first day at St. Bonaventure Hospital. Meanwhile, Dr. Claire Browne learns a valuable lesson about honesty when confronted with a difficult diagnosis…

Chaos breaks out in Vancouver when a series of cyber attacks turn the city upside down. Kiera and Carlos race to find the perpetrator while clues suggest Alec’s own technology…

When Stephen decides to have some fun with his newfound powers, Jedikiah takes extreme measures to make sure it doesn’t happen again. After John and Russell return from their trip,…

When the bodies of two criminals are dropped at SCPD, Oliver realizes there is a new Vigilante in Star City. The team is split about whether they should stop someone…

Finding it difficult to mend fences with Tommy and Diggle, Oliver instead focuses on crossing another name off the list. While digging through a crooked accountant’s laptop, Felicity discovers a…

After a hunt gone wrong leaves Maggie’s whereabouts unknown, Sam, Dean, Mary and Bobby race to find her, but what they find are their own worst nightmares.