The Melancholy of Haruhi Suzumiya Watch Order

Start here. Melancholy part 1 (2006): Kyon meets Haruhi, who wants aliens, time travelers and espers. Episode 1 in story order.

Melancholy part 2 (2006): Haruhi founds the SOS Brigade and drafts Mikuru and Yuki. Episode 2 in story order.

Melancholy part 3 (2006): Yuki says she is an alien, and Itsuki Koizumi joins. Episode 3 in story order.

Melancholy part 4 (2006): Ryoko Asakura attacks Kyon and Yuki steps in. Episode 4 in story order.

Melancholy part 5 (2006): Haruhi talks about her childhood; Itsuki shows Kyon closed space. Episode 5 in story order.

Melancholy part 6 (2006): Haruhi and Kyon are trapped in closed space. The first arc ends. Episode 6 in story order.

The Boredom of Haruhi Suzumiya (2006): the Brigade enters a baseball tournament. Episode 7 in story order.

Bamboo Leaf Rhapsody (new in 2009): Mikuru takes Kyon three years back to Tanabata. Sets up Disappearance. Episode 8.

Mysterique Sign (2006): the Brigade hunts for the missing computer club president. Episode 9 in story order.

Remote Island Syndrome part 1 (2006): a summer trip to an island villa turns into a murder mystery. Episode 10.

Remote Island Syndrome part 2 (2006): Haruhi solves the island mystery. Episode 11 in story order.

Endless Eight part 1 (2009): summer vacation starts to loop. Episodes 12-19 retell the same weeks on purpose.

Endless Eight part 2 (2009): Kyon feels deja vu and Itsuki works out the loop. Episode 13 in story order.

Endless Eight part 3 (2009): the same summer again with small changes. Episode 14 in story order.

Endless Eight part 4 (2009): the loop continues. Episode 15 in story order.

Endless Eight part 5 (2009): the loop continues with small changes. Episode 16 in story order.

Endless Eight part 6 (2009): the loop continues. Episode 17 in story order.

Endless Eight part 7 (2009): the loop continues. Episode 18 in story order.

Endless Eight part 8 (2009): Kyon finally breaks the loop. Episode 19 in story order.

The Sigh of Haruhi Suzumiya part 1 (2009): Haruhi decides the Brigade will make a film for the festival. Episode 20.

Sigh part 2 (2009): filming starts and the cast's roles match their real natures a little too well. Episode 21.

Sigh part 3 (2009): Mikuru's eye beam turns real. Episode 22 in story order.

Sigh part 4 (2009): filming goes on at Tsuruya's house. Episode 23 in story order.

Sigh part 5 (2009): a talking cat, and Kyon wraps up the film. Episode 24 in story order.

The Adventures of Mikuru Asahina Episode 00 (2006): the Brigade's finished student film. Episode 25 in story order.

Live Alive (2006): the school festival; Haruhi and Yuki fill in for a band. Episode 26 in story order.

The Day of Sagittarius (2006): a space-battle game against the computer club. Episode 27 in story order.

Someday in the Rain (2006): a quiet winter day in the clubroom; leads into Disappearance. Episode 28 in story order.

The Disappearance of Haruhi Suzumiya (film, 2010): the direct sequel to the series; Kyon wakes up in a world without Haruhi.

The Melancholy of Haruhi-chan Suzumiya (25 web shorts, 2009): a chibi parody spin-off; no story impact.

Nyoron! Churuya-san (13 web shorts, 2009): one-minute gag shorts starring Tsuruya's chibi double; no story impact.

The Disappearance of Nagato Yuki-chan (16 episodes, 2015): a rom-com spin-off set in the Disappearance world.

I Cannot Let Summer Break End (OVA, 2015): an extra episode of the Nagato Yuki-chan spin-off.