Good Boy – S01E04 – Float Like a Butterfly

Good Boy Season 1 Episode 4 – Watch online

« Float Like a Butterfly »

S01E04
8.2
June 8, 2025
1 h 12 min
JTBC

Episode summary

The Special Criminal Investigation Team is now complete with Han-na's return and Jong-hyeon joining. They launch a full-scale investigation into Gyeong-il's death and Min Ju-yeong. As they split into teams and close in on their targets, Han-na receives her father's case files.

The legal platforms listed offer the series in the United States; the version (dubbed or subtitled) depends on each service.

Where to stream Good Boy (S01E04)

Subscription

Amazon Prime Video

Amazon Prime Video with Ads

Availability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.

About this episode

“Float Like a Butterfly” is episode 4 of 16 in season 1 of Good Boy. It first aired on June 8, 2025 on JTBC. It runs 1 h 12 min. Guest starring Kim Eung-soo, Han Kyu-won, Ahn Se-ho and Park Jeong-woo. It is rated 8.2/10 by TMDB users, against a season average of 9.0/10.

Frequently asked questions

Where to watch Good Boy Season 1 Episode 4 online?

In the United States, Good Boy is available with a subscription on Amazon Prime Video and Amazon Prime Video with Ads (source: JustWatch via TMDB, offers subject to change). The version (dubbed or subtitled) depends on the service.