Episode 9 of can be found on several streaming platforms. You can watch the full episode with English subtitles on the official Dramacool site.
Alternatively, for high-quality professional subtitles, you can access the episode via KOCOWA+ or through the Viu app.
You can also watch highlights and full segments of Episode 9 through these official video links: Cheer Up (2022) EP.9 ENG SUB - video Dailymotion Dailymotion · sunam1 [Multi-Sub/FULL] Cheer Up EP09 (1/3) | 치얼업 YouTube · SBS World [Multi-Sub/FULL] Cheer Up EP09 (2/3) | 치얼업 YouTube · SBS World [Multi-Sub/FULL] Cheer Up EP09 (3/3) | 치얼업 YouTube · SBS World