Where can I watch Lost for free?

Watch Lost 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 Lost are available on Castle?

Castle has all 6 seasons of Lost, with a total of 17 episodes streaming free in HD.

What languages is Lost available in?

On Castle, Lost is available in English, all in HD.

Lost stars Jorge Garcia, Josh Holloway, Yunjin Kim, Evangeline Lilly.

When did Lost first premiere?

Lost premiered on 2010-02-02 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.

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Home / TV Shows / Lost

Lost

2010•17 epsIMDB 8.6

Lost Season 6 picks up where the previous chapter left off. Jorge Garcia returns, navigating After their plane crashes on a remote tropical island, the survivors must contend with hidden dangers and mysterious, malevolent forces to stay alive. alongside Josh Holloway across 17 episodes. This season digs deeper into drama, rewarding both new viewers and longtime fans alike.