Are you ready to get hooked, Once Upon a Time fans? Captain Hook-ed, that is?

On this Sunday's new episode of the ABC smash, Colin O'Donoghue debuts as Killian Jones, the ship-faring icon who will eventually lose a tussle with a certain crocodile.

How does he get mixed up with Rumplestiltskin? And his wife, Milah? And what price does the Captain demand for her return? Watch the official ABC promo for this Once Upon a Time episode and then meet the guest star in the following sneak peek:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.