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Season guide

Terrace House: Opening New Doors: Part 4

8 episodes Premiered Jul 17, 2018 Updated Sep 18, 2026

Terrace House: Opening New Doors is a reality television series. The show features a group of young people living together in Japan. The residents of the house navigate their relationships with each other. The series includes repeat members.

Previously on Terrace House: Opening New Doors

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ As Noah juggles his love triangle with Mayu and Yui, Shohei plans to confess to Seina – but Terrace House's repeat member might have other options.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.

Season overview

Terrace House: Opening New Doors is a reality television series. The show features a group of young people living together in Japan. The residents of the house navigate their relationships with each other. The series includes repeat members.

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Season 4 Episodes

Episode Guide

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Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

38%
63%
Mytharc (3): Crucial lore & season climaxes
Core (5): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

The Fallen Angel

Jul 17, 2018 · 41 min

Yui keeps trying to patch things up with Mayu. Shohei prepares for an album release show in Shibuya, then asks Yui for some local tips.

S4·E2 Core

Better Than You

Jul 24, 2018 · 38 min

Mayu and Noah go on a hike, and when they get back, Mayu has an honest talk with Yui and makes a decision. A new member joins Terrace House.

S4·E3 Core

On the Night of Camp…

Jul 31, 2018 · 40 min

New member Aya settles into the house, and the members make plans to go camping together. Seina responds surprisingly to Shohei's bold moves.

S4·E4 Core

Declaration of War

Aug 7, 2018 · 37 min

Aya and Takayuki head out on a date together. Meanwhile, after a surprising conversation with Shohei, Noah hangs out with Yui once again.

S4·E5 Core

Confessing Love at the Chapel

Aug 21, 2018 · 43 min

Yui talks to Shohei about Noah, and then tells Noah off the next day. Shohei makes plans to ask Seina to date him, and Aya asks Shohei for a favor.

S4·E6 Core

A Farce

Aug 28, 2018 · 35 min

After hearing from Shohei, Noah asks Seina out on a date. During Takayuki's birthday party, Aya talks with him one on one.

S4·E7 Mytharc

Rambling Rose

Sep 4, 2018 · 44 min

Aya and Yui grow suspicious about Seina and Noah, and Yui tries to interrogate Seina about it. Shohei prepares an event for the other members.

S4·E8 Mytharc

The Last Love

Sep 11, 2018 · 35 min

Takayuki gives Aya a gift before he takes her skateboarding. Noah and Seina go on an extremely consequential date, and then a new member arrives.