Where can I watch The OA for free?

Watch The OA free in HD on Castle. Download the Castle App to stream all seasons and episodes with English audio — no subscription, no signup needed.

How many seasons of The OA are available on Castle?

Castle has all 2 seasons of The OA, with a total of 8 episodes streaming free in HD.

What languages is The OA available in?

On Castle, The OA is available in English, all in HD.

The OA stars Brit Marling, Emory Cohen, Kingsley Ben-Adir, Will Brill.

When did The OA first premiere?

The OA premiered on 2019-03-22 and is now streaming free on Castle.

Is the Castle App safe to download?

Yes. The Castle APK is a verified safe file. It requires only basic Android permissions and does not need root access. Compatible with Android 6.0 and above.

The OA

2019•8 epsIMDB 8.7

Crafted by Zal Batmanglij, The OA Season 2 brings Brit Marling back alongside Emory Cohen in a chapter that refuses to slow down. Set against United States, the season unravels Seven years after vanishing from her home, a young woman returns with mysterious new abilities and recruits five strangers for a secret mission. with drama storytelling across 8 episodes, exploring themes of drama in ways that elevate the series to new heights.