Part 4
8 listed episodes · First aired July 17, 2018

Season overview
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.
Episodes
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.
E2Better Than YouMayu 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.
E3On the Night of Camp…New member Aya settles into the house, and the members make plans to go camping together. Seina responds surprisingly to Shohei's bold moves.
E4Declaration of WarAya and Takayuki head out on a date together. Meanwhile, after a surprising conversation with Shohei, Noah hangs out with Yui once again.
E5Confessing Love at the ChapelYui 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.
E6A FarceAfter hearing from Shohei, Noah asks Seina out on a date. During Takayuki's birthday party, Aya talks with him one on one.
E7Rambling RoseAya and Yui grow suspicious about Seina and Noah, and Yui tries to interrogate Seina about it. Shohei prepares an event for the other members.
E8The Last LoveTakayuki gives Aya a gift before he takes her skateboarding. Noah and Seina go on an extremely consequential date, and then a new member arrives.