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Quizzes > Movies

Katie Cassidy Supernatural Quiz: How Well Do You Know Ruby?

Quick, free quiz to test your knowledge of Ruby on Supernatural. Instant results.

Editorial: Review CompletedCreated By: Tawana KellyUpdated Aug 25, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art illustration of Katie Cassidy in Supernatural role with quiz invitation text on teal background

This quiz helps you test your Katie Cassidy Supernatural knowledge, focusing on her turn as Ruby and the shocks she brings to the Winchesters. Want a broader challenge? Try our Supernatural quiz, or find your match with which supernatural character are you. If you enjoy her work beyond SPN, take the Arrow quiz next.

Which character did Katie Cassidy portray in Supernatural?
Castiel
Bela Talbot
Ruby
Anna Milton
Katie Cassidy appeared in Supernatural as the demon Ruby, a role she first undertook in season 3. Ruby served as both ally and mysterious figure to the Winchester brothers, displaying both healing and combat abilities. The character became iconic enough to be recast later. For more on Ruby's character, see .
In which season did Katie Cassidy first appear as Ruby on Supernatural?
Season 4
Season 2
Season 5
Season 3
Katie Cassidy debuted as Ruby in season 3 of Supernatural, specifically in episode 4. This season explores more about demon lore and Sam's struggle with his powers. Ruby's introduction marked a turning point in the Winchesters' battle against demons. More details are available at .
What was the hair color of Ruby when Katie Cassidy played her?
Black
Red
Brown
Blonde
Katie Cassidy's portrayal of Ruby featured her with blonde hair, distinguishing her from Genevieve Cortese, who later played Ruby with red hair. This visual change helped viewers identify the switch in actresses. The blonde look was specific to Cassidy's single-episode appearance. More info can be found at .
In which episode did Katie Cassidy's Ruby make her first appearance?
Time Is on My Side
Dream a Little Dream of Me
Red Sky at Morning
Mystery Spot
Katie Cassidy first appeared as Ruby in season 3's episode "Dream a Little Dream of Me." In this installment, she helps Sam when he's trapped in a coma-like state. The title references the dream sequences experienced by Sam and Ruby. You can read more at .
Who took over the role of Ruby after Katie Cassidy's departure?
Jensen Ackles
Genevieve Cortese
Samantha Smith
Erica Durance
After Katie Cassidy's single-episode portrayal, the role of Ruby was recast with Genevieve Cortese for the remainder of season 3. Cortese continued the character through seasons 3 and 4, further exploring Ruby's complex motivations. The switch was notable among fans and discussed on many forums. More details at .
What power did Ruby initially demonstrate when she first met the Winchesters?
Telekinesis
Healing demon wounds by touch
Invisibility
Telepathy
In her debut, Ruby showcased her ability to heal Sam's life-threatening injuries from demon torture by laying her hand on his chest. This healing power immediately set her apart as a powerful demon ally. It also deepened Sam's reliance on demon blood and abilities. Read more at .
What color were Ruby's eyes when portrayed by Katie Cassidy?
Red
Blue
Yellow
Solid black
As a demon, Ruby's eyes glowed red when she used her powers or revealed her true nature. This eye effect is a signature trait for demons in Supernatural. Katie Cassidy's Ruby displayed this red glow during key moments. For further details, see .
Which weapon is most associated with Ruby's demon hunting assistance?
The Colt revolver
Ruby's demon-killing knife
Angel blade
The holy shotgun
Ruby introduced the Winchesters to a special demon-killing knife that could kill demons permanently, unlike traditional silver weapons. This blade became a key tool in their arsenal. Katie Cassidy's Ruby was seen using and explaining its properties in her episode. More at .
In what town did Ruby and Sam investigate demon activity in Katie Cassidy's first episode?
Milwaukee, Wisconsin
Madison, Wisconsin
Chicago, Illinois
Green Bay, Wisconsin
The season 3 episode "Dream a Little Dream of Me" is set in Green Bay, Wisconsin, where Sam and Ruby track a series of supernatural coma cases. The town's name is mentioned multiple times as they follow clues in a hospital. This setting is crucial for the dreamworld plot. See for more.
True or False: Katie Cassidy returned to play Ruby in any subsequent Supernatural seasons beyond season 3.
False
True
Katie Cassidy only appeared as Ruby in season 3, episode 4, and did not return in later seasons. The role was recast with Genevieve Cortese after her single-episode stint. Fans often note this casting change when discussing the character's evolution. For confirmation, check .
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Study Outcomes

  1. Recall Debut Details -

    Identify the episode, season, and context of Katie Cassidy's first appearance on Supernatural to solidify your foundational knowledge.

  2. Identify Iconic Moments -

    Recognize and describe standout scenes featuring Cassidy's character, highlighting the most memorable moments in the series.

  3. Analyze Character Evolution -

    Examine how Cassidy's role develops over time, exploring narrative arcs and character growth throughout the show.

  4. Compare & Compete -

    Compare your results with fellow fans to see who reigns supreme in the Katie Cassidy role quiz and broader Supernatural cast quiz.

  5. Strengthen Supernatural Trivia Skills -

    Refine your expertise for the Katie Cassidy Supernatural quiz and other Supernatural trivia challenges by mastering key facts and details.

Cheat Sheet

  1. Debut Episode & Introduction -

    In Season 2's "In My Time of Dying" (aired September 28, 2006), Katie Cassidy debuts as the enigmatic demon Ruby, stepping into Dean and Sam's world - a fact every Katie Cassidy Supernatural quiz taker should recall. The CW's official episode guide and IMDb confirm this pivotal introduction, which melds supernatural lore with character-driven drama. Use the mnemonic "Ruby Rises in Dying Time" to cement this crossover fact.

  2. Evolution of Ruby's Character -

    Ruby transitions from a deceptive demon to an uneasy ally, illustrating a classic redemption arc analyzed in media studies journals like the Journal of TV & New Media. Breaking her arc into "D-E-C-E-I-V-E" - Deception, Enticement, Collaboration, Emotional beats, Inevitable shift, Vow - helps quiz-takers map each twist. This framework is perfect prep for any Supernatural Katie Cassidy trivia challenge.

  3. Key Relationships & Dynamics -

    Her chemistry with Sam Winchester underpins many emotional beats; as noted in interviews on the CW official site, their rapport drives both camaraderie and conflict. Remember "S.A.M." - Shared secrets, Alliance under fire, Moral crossroads - to outline their evolving bond. This concise schema powers your fan-favorite Supernatural trivia quiz segments.

  4. Memorable Plot Twists -

    Ruby's apparent death after betraying the Winchesters in "All Hell Breaks Loose, Part 2" marks one of Supernatural's most shocking cliffhangers, documented in TV Guide's top plot twist list. Connecting "Hell Breaks Loose" with her vanishing act will anchor key facts in your memory. Use the phrase "When Hell Breaks, Ruby Vanishes" to nail that question on any Supernatural cast quiz.

  5. Behind-the-Scenes Insights -

    Production notes from the CW Press Room reveal that Katie Cassidy's performance influenced writing tweaks, cementing Ruby's legacy in fan studies at UCLA's School of Film. Spotting how on-set scripts evolved deepens your understanding for thorough Katie Cassidy role quiz prep. Keep in mind "Script to Screen" - source script changes, on-set delivery, finished scene - as your study roadmap.

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