Siege Perilous (Once Upon a Time)
| "Siege Perilous" | |
|---|---|
| Once Upon a Time episode | |
| Episode no. | Season 5 Episode 3 |
| Directed by | Ralph Hemecker |
| Written by | Jane Espenson |
| Production code | 503 |
| Original air date | October 11, 2015 |
| Guest appearances | |
| |
"Siege Perilous" is the third episode of the fifth season of the American fantasy drama series Once Upon a Time, which aired on October 11, 2015.
In Camelot, David and King Arthur seek out an item that could help them communicate with an imprisoned Merlin, while in Storybrooke, Emma needs an item to free Excalibur. David and Arthur track down a thief among the displaced Arthurians.