Rooftop Prince

Rooftop Prince is a Korean Series that aired on South Korea's SBS network. A Joseon (1700's) Crown Prince is transported to the modern city of Seoul while investigating the death of the Crown Princess.

The series contains examples of:

 * Amusement Park: Park Ha takes the Crown Prince to one, where they eat cotton candy and play some of the games.
 * Blood From the Mouth:.
 * Cain and Abel: Yon Tae Mu is jealous of Yon Tae Yong's assumption that he will be in charge of the family business.
 * Chekhov's Gun: Yon Tae Yong's cellphone from two years ago.
 * Also, Park Ha's baby picture.
 * Color Coded for Your Convenience: The boys first outfits in the modern world are different colored tracksuits with matchng sneakers. Even when they change clothes, they still mostly use the same color scheme.
 * Dark Secret: Tae Mu knocked Tae Yong off a boat in a fit of anger while they were both in New York City, then made it look like a drowning accident.
 * Doppelganger Replacement Love Interest: Yi Gak pursues Se Na because she is the exact duplicate/reincarnation of his wife from 300 years ago.
 * Eiffel Tower Effect: Namsam Tower shows up in Episode 10.
 * Also, shots of Wall Street and the Statue of Liberty established the New York City story arc.
 * Family Business: A Home Shopping Network.
 * Fish Out of Temporal Water: The boys are from the Joseon Era approximately 300 years in the past.
 * Five-Man Band:
 * The Hero: Crown Prince Yi Gak, who wants to find the murderer of the Crown Princess in Joseon.
 * The Lancer: Do Chi San, a eunuch who helps collect gossip as part of the investigation.
 * The Big Guy: Woo Yong Sul, a mercenary pledged to help the investigation.
 * The Smart Guy: Song Man Bo, an illegitimate son of a aristocrat, he is logical and intelligent.
 * The Chick: Park Ha, an orphan making a living in Seoul as a produce distributor.
 * Genki Girl: Park Ha, who almost always can find a positive spin.
 * The Glomp:
 * Hello Again, Officer: Trying to go back to the palace is more complicated than the Joseon Power Rangers had anticipated.
 * Identical Stranger: Everyone in the modern time believes the Crown Prince is Tae Yong who disappeared in a boating accident two years before.
 * K Pop: Much of the background music.
 * Laser-Guided Amnesia: Subverted in that Yi Gak is pretending to be Tae Yong with a gap of two years in his memory.
 * Manly Tears: When Yi Gak gives in to the inevitable and admits his attraction to Park Ha.
 * Never the Selves Shall Meet: The Crown Prince's doppelganger is mysteriously absent from the present world.
 * Not Blood Siblings: Park Ha's dad married Se Na's mother.
 * Orbital Shot: When the Crown Prince confesses to the Princess in the Joseon arc.
 * Race For Your Love: Yi Gak chases down Park Ha, who is in a bus. He catches up with her, yelling out of the passenger window of a delivery truck, which has the perfect backdrop of a tropical island in the truck bed.
 * Also, when Park Ha is in trapped in a burning building, he races to the scene, then leaps into the flames to pull her out.
 * Ramen Slurp: The ancient boys discover the joys of instant noodles.
 * Shirtless Scene: When the time travelers mistake an elevator for a changing room.
 * Shout-Out:
 * The main group of characters have been called The Joseon Power Rangers due to their tracksuits.
 * Time Skip: The modern story begins in 2010, then jumps to 2012.
 * Year Inside, Hour Outside: When they return to Joseon, the boys have only been gone one temporal day.