8.0/105 votes#1 - The Grey Hat
Season 1 Episode 11 - Aired 3/17/2014
As Riley and Gabriel track an infamous hacker, they learn the suspect may have been set up and a sinister group may be planning a nuclear attack.
Director: Tim Hunter
Writer: Heidi Cole McAdams
8.0/1016 votes#2 - The Dark Year
Season 5 Episode 11 - Aired 7/24/2018
As Clarke races to save Abby, she learns more about the trials and tribulations Wonkru faced in the bunker, and the impossible decisions they were forced to make in the dark year.
Director: Alex Kalymnios
Writer: Heidi Cole McAdams
7.6/1028 votes#3 - The Four Horsemen
Season 4 Episode 3 - Aired 2/15/2017
Jaha leads Clarke and Bellamy down a road to possible salvation while tensions rise in Arkadia and Polis.
Director: P.J. Pesce
Writer: Heidi Cole McAdams
6.9/1032 votes#4 - Stealing Fire
Season 3 Episode 9 - Aired 3/31/2016
Clarke discovers a shocking truth, and Octavia is forced to make a decision that could have devastating consequences. Meanwhile, Kane and Abby share a moment.
Director: Uta Briesewitz
Writer: Heidi Cole McAdams
6.8/104 votes#5 - Cry Havoc
Season 1 Episode 9 - Aired 1/19/2015
Charlie and the team attempt to prove that sorority girl Stacy Dover is an active member of Ar Rissalah's American terrorist cell.
Director: Joshua Butler
Writer: Heidi Cole McAdams
6.5/102 votes#6 - The Other Woman
Season 1 Episode 8 - Aired 12/4/2019
Dex is confronted with unresolved feelings from her past when she is hired by Sue Lynn to investigate a case with the widow of Dex’s former flame. Meanwhile, Dex and Grey’s friendship is put to the test by his new romance with Liz.
Director: Jessica Yu
Writer: Heidi Cole McAdams
6.5/104 votes#7 - Vanishing
Season 1 Episode 8 - Aired 2/27/2024
Blackout. Three dead bodies. Everyone's terrified. The secrets unravel like Christmas presents. And Imogene confronts her mother's killer.
Director: James Griffiths
Writer: Heidi Cole McAdams
6.5/104 votes#8 - Chilling
Season 1 Episode 10 - Aired 3/5/2024
Reeling from the truth, Imogene has a choice to make. Rufus writes a second memoir.
Director: Dinh Thai
Writer: Heidi Cole McAdams
5.7/106 votes#9 - Rare
Season 1 Episode 1 - Aired 1/16/2024
When a guest is murdered on a luxury ocean liner, Imogene Scott becomes the only suspect in an impossible crime. She didn't do it. So, who did?
Director: Marc Webb
Writer: Heidi Cole McAdams
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Heidi Cole McAdams Ratings Summary
"The Grey Hat" is the best rated episode written by Heidi Cole McAdams. It scored 8/10 based on 5 votes. It was directed by Tim Hunter. It aired on 3/17/2014 and is rated 0.0 points higher than their second-best episode, "The Dark Year".