The Lion and the Rose (Season 4, Episode 2)

"The Lion and the Rose", (sometimes referred to as "The Purple Wedding") is the second episode of the fourth season of HBO's fantasy television series Game of Thrones, and the 32nd overall. The episode was written by George R. R. Martin,[1] the author of the A Song of Ice and Fire novels of which the series is an adaptation, and directed by Alex Graves.[2] It aired on April 13, 2014.[3]

The episode focuses principally on the long-awaited royal wedding between Joffrey Baratheon and Margaery Tyrell. Other storylines include House Bolton's quest to retake the North, and Bran's continued journey north of The Wall.

https://en.wikipedia.org/wiki/The_Lion_and_the_Rose