Lanterns Episode 3’s first teaser finally shows Hal Jordan in the Green Lantern’s domino mask, and it introduces Laura Linney as one of the Guardians of the Universe. HBO dropped the 42-second preview on Sunday, after Episode 2, “Trust Fall”, wrapped.

The mask moment comes about 17 seconds in: an old television plays what looks like news footage of Hal, suited up in the full Green Lantern outfit with the bright-green domino mask over his eyes. It is a brief flash, and IGN reads it as archival material from Hal’s earlier days rather than a look at how the present-day costume will evolve — the show has already hinted it will skip around the timeline, possibly back to 1996.

The more consequential thread is John Stewart. The teaser has the Green Lantern-in-training coming face to face with Linney’s Guardian, and its caption is blunt: “John Stewart was born for this.”

It follows the end of Episode 2, in which Hal confronted Sinestro (Ulrich Thomsen) inside an intergalactic prison. Sinestro’s parting warning was that a surviving Manhunter is only the second-greatest threat Hal faces — the greater one being John himself.

The Guardian’s arrival is the piece fans have been waiting on. Linney had been confirmed in the cast, but this is the first look at her character in action, and the first sign of how the series will handle the cosmic side of the Corps. Whether the domino mask is a one-off Easter egg or a sign of things to come is another question — the last live-action Hal to wear it was Ryan Reynolds in 2011, which is a sentence that carries its own verdict.

When to watch Lanterns Episode 3

Lanterns Episode 3 airs Sunday, 30 August on HBO and HBO Max, per Yahoo Entertainment. New episodes land every Sunday at 9pm. In the UAE, the series streams on OSN+, where the season premiered on 17 August — Episode 3 should follow on Monday, 31 August, a day after the US broadcast. That is the same schedule that carried the first two episodes. For the full picture on the series’ UAE home, see our guide to watching Lanterns on OSN+, and for how we got here, the Episode 1 ending and the premiere’s record ratings.

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When does Lanterns Episode 3 air?

Lanterns Episode 3 airs Sunday, 30 August on HBO and HBO Max, with new episodes landing every Sunday at 9pm. In the UAE it streams on OSN+, expected on Monday, 31 August, a day after the US broadcast.

Does Hal Jordan wear the Green Lantern domino mask in Lanterns?

The Lanterns Episode 3 teaser shows Hal Jordan in the Green Lantern’s domino mask for the first time in the series. The brief flash is archival news footage from his earlier days, so whether the present-day costume includes the mask remains unclear.

Who plays the Guardian of the Universe in Lanterns Episode 3?

Laura Linney, making her debut in the series as one of the Guardians of the Universe. The teaser shows her character meeting John Stewart as the show digs into his past.