- "Flashy the red-nosed speedster had a very shiny suit, and if you ever saw him, you might even want to puke. Merry Christmas kiddy-winks, I'm back. Citizens, you know, holidays can be a time for gentle reflection on the year past. Our ups and downs, our triumphs, our heartaches. But don’t forget, it can also be a time for disemboweling our enemies. No, my stocking won't be stuffed until it's filled to the brim with bloody Flash parts. What do ya say, speed freak, you wanna roast chestnuts?"
- —The Trickster's televised message to The Flash
When Mark Mardon AKA The Weather Wizard returns to break Leonard Snart AKA Captain Cold and James Jesse AKA The Trickster out of Iron Heights, Barry must stop these rogues from taking over Central City during Christmas. Meanwhile, Joe and Iris meet Wally West.
- Cisco exclaims, "How do you like them magnets, bitch?" when the magnetization causes all of the bombs to be successfully sucked into the breach. This is likely an overt reference to a quote made by Breaking Bad character Jesse Pinkman ("Yeah, bitch! Magnets!").
- This can also be a reference to a quote from the 1959 film Rio Bravo ("How do you like them apples?").
- A factory named Okamura Toys is featured in this episode. In the comics, Hiro Okamura is the third incarnation of Toyman.
- When Harry tells a child to give him the present from the Trickster, he says, "Your toys; give them to me." This is similar to how the Terminator (portrayed by Arnold Schwarzenegger) often tells people to hand over things needed, such as clothes.
- The exploding dreidels are a reference to the Flash villain Top.
- The Trickster sings, "Deck the halls with body parts from a girl named Holly." This is a morbid twist on the lyrics to the classic Christmas carol, "Deck the Halls": "Deck the halls with boughs of holly."
- Also when the Trickster is taunting the Flash in a video message, he sings his own twist of the Christmas song "Rudolph the Red-Nosed Reindeer".
- Another reference to Mark Hamill's role as the Joker is made when The Trickster calls The Flash "Flashy" like how Joker calls Batman "Batsy".
- During the scene in which Barry chases after Mardon, he jumps onto a helicopter. It is later revealed that the helicopter is for Channel 52, but looking at it in the screen makes it appear as New 52, a reference to the New 52 comic books.
- Wally West makes his first on-screen appearance.
- For the rest of the season, Keiynan Lonsdale joined the main cast beginning with this episode onwards.
- This is the last episode that Barry and Snart interact on-screen due to Snart joining the main cast of until the Season 3 episode "", before Snart's death in "".
- This episode marks Snart's last appearance on until Season 3's "".
- The episode takes place two months before the events of "".
- This is the second episode of that Snart appears in that doesn't have the word "Rogue" in the title, the first being "".
- ↑ THE FLASH Season 2, Episode 9 Description; "Running to Stand Still" - 'Wally West' Debuts - ComicBookMovie
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