Once Upon a Case

Once Upon a Case is a Criminal Minds fanfiction written by Mina A. It will soon air on FanFiction.net. It is the first installment of the "Once Upon..." series covering seasons 1-3 of Criminal Minds.

Synopsis
Riley Lucinda Fray is a profiler in training. Starting out as a teaching assistant for Senior Supervisory Special Agent Jason Gideon while he's on medical leave. However, he goes back to work with the rest of his team, the BAU, after six months. Shortly thereafter, Riley completes her training and joins the team, being the second youngest to ever do so, at the age of twenty-three. She quickly befriends everyone on her team, and finds a kindred spirit in Spencer Reid.

Main Cast

 * Mandy Patinkin as Senior SSA Jason Gideon (episodes 1-33)
 * Thomas Gibson as SSA Aaron Hotchner
 * Lola Glaudini as SSA Elle Greenaway (episodes 1-19)
 * Shemar Moore as SSA Derek Morgan
 * Matthew Gray Gubler as Dr. Spencer Reid
 * Katherine McNamara as Special Agent Riley Fray
 * A,J. Cook as Jennifer Jareau
 * Kirsten Vangsness as Penelope Garcia
 * Paget Brewster as SSA Emily Prentiss (episode 21-onwards)
 * Joe Mantegna as SSA David Rossi (episode 36-onwards)

Misc. Trivia

 * This story could technically be classified as a crossover with The Shadowhunter Chronicles book series by Cassandra Claire, as characters from the series will appear when storylines permit. However, all fantasy aspects won't be present.
 * In cases of crossover, the characters from the books will be portrayed by their respective actors from the Freeform series Shadowhunters.
 * Katherine McNamara will play duel roles as both SSA Riley Fray and Clary Fray (Riley's twin sister)
 * Maxim Roy will play Jocelyn Fray-Garroway; Riley and Clary's mother
 * Isaiah Mustafa will portray Luke Garroway; Riley and Clary's step-father and NYPD Detective

Prologue: Happily Ever After

 * This opening episode is a flashforward showcasing Riley and Spencer's wedding, and also contains flashbacks to their interactions with eachother before Riley joins the BAU.
 * The flashbacks include:
 * Their first meeting which takes place a year prior to the Criminal Minds episode "Extreme Aggressor"
 * An interaction between them that takes place during the opening scenes of "Extreme Aggressor"
 * A brief interaction during "Compulsion"
 * Riley leaving a birthday card and gift on Spencer's desk during "Plain Sight"
 * Riley helping Spencer with his marksmanship training during "L.D.S.K."

Won't Get Fooled Again

 * This episode is based on the Criminal Minds episode of the same name.

Derailed

 * This episode is based on the Criminal Minds episode of the same name.

Blood Hungry

 * This episode is based on the Criminal Minds episode of the same name.

Poison

 * This episode is based on the Criminal Minds episode of the same name.

Riding the Lightning

 * This episode is based on the Criminal Minds episode of the same name.

Unfinished Business

 * This episode is based on the Criminal Minds episode of the same name.

The Tribe

 * This episode is based on the Criminal Minds episode of the same name.

A Real Rain

 * This episode is based on the Criminal Minds episode of the same name.
 * Riley's family is seen on-screen for the first time in the series.
 * Actors from the Freeform series Shadowhunters reprise their roles and Katherine McNamara plays dual roles as both Riley and Clary.
 * Isaiah Mustafa portrays Detective Luke Garroway (Riley and Clary's step-father, Jocelyn's husband)
 * Maxim Roy portrays Jocelyn Fray-Garroway (Riley and Clary's mother)

Somebody's Watching

 * This episode is based on the Criminal Minds episode of the same name.

Machismo

 * This episode is based on the Criminal Minds episode of the same name.

Charm and Harm

 * This episode is based on the Criminal Minds episode of the same name.

Secrets and Lies

 * This episode is based on the Criminal Minds episode of the same name.

The Fisher King part 1

 * This episode is based on the Criminal Minds episode of the same name.

The Fisher King part 2

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode picks up shortly after the previous left off.

P911

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode picks up four months after the previous episode.

The Perfect Storm

 * This episode is based on the Criminal Minds episode of the same name.

Aftermath

 * This episode is based on the Criminal Minds episode of the same name.

The Boogeyman

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode marks the final appearance of Elle Greenaway.

Empty Planet

 * This episode is based on the Criminal Minds episode of the same name.

The Last Word

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode marks the debut of SSA Emily Prentiss.

Sex, Birth, Death

 * This episode is based on the Criminal Minds episode of the same name.

Profiler, Profiled

 * This episode is based on the Criminal Minds episode of the same name.

No Way Out

 * This episode is based on the Criminal Minds episode of the same name.

The Big Game

 * This episode is based on the Criminal Minds episode of the same name.

Revelations

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode showcases the first indication of Riley's growing feelings for Spencer.

Fear and Loathing

 * This episode is based on the Criminal Minds episode of the same name.
 * David Ramsey guest stars in this episode. He and Katherine McNamara would share the screen later during the final season of Arrow.
 * David Ramsey stars as John Diggle/Spartan, a member of Team Arrow and best friend of Oliver Queen/Green Arrow.
 * Katherine McNamara stars as Mia Harper Queen/Blackstar, a future hero/vigilante and daughter of Elena Queen-Harper/Thunder Eagle and Roy Harper/Arsenal.

Distress

 * This episode is based on the Criminal Minds episode of the same name.

Jones

 * This episode is based on the Criminal Minds episode of the same name.

Open Season

 * This episode is based on the Criminal Minds episode of the same name.

No Way Out II: The Evolution of Frank

 * This episode is based on the Criminal Minds episode of the same name.

Doubt

 * This episode is based on the Criminal Minds episode of the same name.

In Name and Blood

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode marks the final appearance of Jason Gideon.

Scared to Death

 * This episode is based on the Criminal Minds episode of the same name.

Seven Seconds

 * This episode is based on the Criminal Minds episode of the same name.

About Face

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode marks the first appearance of David Rossi.

Identity

 * This episode is based on the Criminal Minds episode of the same name.

Lucky

 * This episode is based on the Criminal Minds episode of the same name.
 * Jamie Kennedy guest stars in this episode. He and Katherine McNamara would later star together in the fourth and fifth seasons of Ghost Whisperer.

Penelope

 * This episode is based on the Criminal Minds episode of the same name.
 * The growing closeness between Riley and Spencer becomes apparent in this episode.

True Night

 * This episode is based on the Criminal Minds episode of the same name.

Birthright

 * This episode is based on the Criminal Minds episode of the same name.

3rd Life

 * This episode is based on the Criminal Minds episode of the same name.

Limelight

 * This episode is based on the Criminal Minds episode of the same name.
 * Sometime between the previous episode and this episode, the rest of the team is aware and Spencer and Riley entering into a relationship.

Damaged

 * This episode is based on the Criminal Minds episode of the same name.

Elephant's Memory

 * This episode is based on the Criminal Minds episode of the same name.

In Heat

 * This episode is based on the Criminal Minds episode of the same name.

The Crossing

 * This episode is based on the Criminal Minds episode of the same name.

Tabula Rasa

 * This episode is based on the Criminal Minds episode of the same name.

Lo-Fi

 * This episode is based on the Criminal Minds episode of the same name.
 * This episode acts as the season finale.