Arrow Season 3 | The Flash Season 1 | Vixen Season 1
Arrow 3×01 “The Calm” AP2HYC Review The episode introduced us to Ray Palmer. Crossover with The Flash – Oliver gets a call from Barry and they have a rooftop conversation. Non-essential for The Flash viewers as same scene appears in The Flash Pilot. Note: If Arrow viewers wish to know more about the meaning behind this conversation then they may want to check out The Flash Pilot.
The Flash 1×01 “City of Heroes” AP2HYC Review Crossover with Arrow Oliver appears at the very end of this episode and has a conversation with Barry. Not essential for Arrow viewers. Note: If you want a little extra backstory on Barry, specifically his connection to Oliver, then it’s worth checking out Arrow 2×08-09
Arrow 3×02 “Sara” AP2HYC Review
The Flash 1×02 “Fastest Man Alive” AP2HYC Review
The Flash 1×03 “Things You Can’t Outrun” AP2HYC Review
Arrow 3×03 “Corto Maltese” AP2HYC Review
The Flash 1×04 “Going Rogue” AP2HYC Review Captain Cold is introduced is this episode. Crossover with Arrow. Felicity travels to Star City to check on Barry after his recent transformation into the Flash, and ultimately helps out with stopping Captain Cold. Arrow viewers may want to watch this episode in order to understand what Felicity was up to during her absence in Arrow 3×03 “Corto Maltese” but it isn’t vital to the current narrative.
Arrow 3×04 “The Magician” AP2HYC Review
Arrow 3×05 “The Secret Origin of Felicity Smoak” AP2HYC Review
The Flash 1×05 “Plastique” AP2HYC Review
The Flash 1×06 “The Flash Is Born” AP2HYC Review
Arrow 3×06 “Guilty” AP2HYC Review
Arrow 3×07 “Draw Back Your Bow” AP2HYC Review
The Flash 1×07 “Power Outage” AP2HYC Review
The Flash 1×08 “Flash vs. Arrow” AP2HYC Review Crossover with Arrow. Oliver, Diggle and Felicity travel to Central City to follow leads on an investigation where they team up with Team Flash to combat a Meta-Human. Note: The Flash fans don’t necessarily need to have watched Arrow to understand this crossover but you may want to watch Arrow 3×07 “Draw Back Your Bow”, particularly the conclusion, just to get a little bit of backstory.
Arrow 3×08 “The Brave and the Bold” AP2HYC Review Crossover with The Flash Barry, Cisco, and Caitlin travel to Star City and help out Team Arrow take down Captain Boomerang. Note: Arrow viewers may want to watch The Flash 1×08 “Flash vs. Arrow” to understand Team Flash’s presence, along with the progression of the narrative from the previous Arrow episode.
The Flash 1×09 “The Man in the Yellow Suit” AP2HYC Review First appearance of Reverse-Flash
The Flash 1×10 “Revenge of the Rogues” AP2HYC Review Introduction of Mick Rory, he is teamed up with Captain Cold
The Flash 1×11 “The Sound and the Fury” AP2HYC Review
The Flash 1×12 “Crazy for You” AP2HYC Review Dr. Martin Stein is introduced in this episode.
The Flash 1×13 “The Nuclear Man” AP2HYC Review
The Flash 1×14 “Fallout” AP2HYC Review
Arrow 3×09 “The Climb” AP2HYC Review
Arrow 3×10 “Left Behind” AP2HYC Review
Arrow 3×11 “Midnight City” AP2HYC Review
Arrow 3×12 “Uprising” AP2HYC Review
Arrow 3×13 “Canaries” AP2HYC Review
Arrow 3×14 “The Return” AP2HYC Review
Vixen 1×01 Introduction of Mari McCabe / Vixen
Vixen 1×02
Vixen 1×03 Cisco Ramone of The Flash learns about Mari’s powers and informs Barry and Ollie.
Vixen 1×04 Crossover with Arrow and The Flash Mari uses her newfound powers to evade both The Flash and Arrow when they attempt to catch her for questioning. Mari does turn up on Arrow in Season 4; this explains their meeting, but isn’t necessary
Vixen 1×05
Vixen 1×06
For more infromation, check out AP2HYC’s review of Vixen Season 1
Arrow 3×15 “Nanda Parbat” AP2HYC Review
Arrow 3×16 “The Offer” AP2HYC Review
The Flash 1×15 “Out of Time” AP2HYC Review
The Flash 1×16 “Rogue Time” AP2HYC Review
The Flash 1×17 “Tricksters” AP2HYC Review
The Flash 1×18 “All Star Team Up” AP2HYC Review Crossover with Arrow Felicity and Ray travel over to Central City and help Team Flash fight Brie Larvan. Note: Arrow viewers do not necessarily need to view this episode, but it does expand upon Felicity’s current development within Arrow and her new relationship with Ray. Note that the episode order here is important if you are watching both shows as there are minor Arrow spoilers in this episode if you” re not up to date
Arrow 3×17 “Suicidal Tendencies” AP2HYC Review
Arrow 3×18 “Public Enemy” AP2HYC Review
Arrow 3×19 “Broken Arrow” AP2HYC Review Crossover with The Flash Team Arrow have to take down Metahuman Deathbolt after he travels to Star City. After he is defeated Deathbolt is taken to Star Labs where Team Flash lock him up.
Arrow 3×20 “The Fallen” AP2HYC Review
The Flash 1×19 “Who Is Harrison Wells?” AP2HYC Review Crossover with Arrow Cisco and Joe investigate a crime scene in Star City with the assistance of Detective Lance. Note: This episode is not integral to Arrow viewers but it does contain a scene with Joe giving advice to Quentin.
The Flash 1×20 “The Trap” AP2HYC Review
The Flash 1×21 “Grodd Lives” AP2HYC Review
Arrow 3×21 “Al Sah-him” AP2HYC Review
Arrow 3×22 “This Is Your Sword” AP2HYC Review
The Flash 1×22 “Rogue Air” AP2HYC Review Crossover with Arrow Oliver is called in at the end to help Barry finally capture Reverse-Flash, with the help of Firestorm. Note: The Flash viewers may want to check out Wikipedia in order to understand Oliver’s current appearance, besides that this will not affect your viewing. The Flash viewers may also want to watch Arrow episode “Broken Arrow” in order to understand where Deathbolt came from. If you’re watching both shows, note that there are spoilers for Arrow in this episode of Flash, so make sure you follow the order
Arrow 3×23 “My Name Is Oliver Queen” AP2HYC Review Crossover with The Flash Barry is called in at the beginning to help Team Arrow. Note: Arrow viewers don’t need to have watched The Flash to understand his presence here, nor really need to know about the small reference to Barry’s current story-arc.
The Flash 1×23 “Fast Enough” AP2HYC Review Crossover with Legends Of Tomorrow Firestorm, White Canary, The Atom, Captain Cold appear and a cameo from Hawkgirl