When Sangchan and Rawee meet and fall in love the day before he leaves to study abroad, he promises to return on October 8th of every year to see her. As the years pass and new relationships arise, Sangchan's faith in their love is tested.
You can now watch October Sonata online on the following streaming providers in the United States.
| Directing | Somkiat Vituranich | Director |
| Writing | Somkiat Vituranich | Screenplay |
| Art | Saksiri Chantarangsri | Art Direction |
| Costume & Make-Up | Thanawutthi Busamsai | Makeup Department Head |
| Art | Wittaya Chaimongkol | Art Direction |
| Camera | Teerawat Rujintham | Director of Photography |
| Costume & Make-Up | Noppadon Techo | Costume Designer |
| Production | Napat Pavaputanont | Executive Producer |
| Production | Srisupaluck Vejviroon | Producer |
| Production | Thanathat Pavaputanont Na Mahasarakham | Co-Producer |
| Sound | Kaiwan Kulavadhanothai | Music Score Producer |
| Directing | Patchanon Thammajira | First Assistant Director |
| Directing | Tanapat Promkasikorn | Second Assistant Director |
| Production | Sasivimol Boonthongkhao | Production Manager |
| Art | Pramouk Imratana | Art Direction |
| Production | Saksiri Chantarangsri | Production Designer |
| Production | Wittaya Chaimongkol | Production Designer |
| Editing | Sunit Asavinikul | Editor |
| Editing | Phannipha Kabillikavanich | Editor |
| Editing | Muanfun Uppatham | Editor |
| Sound | Tundorn Asvinikul | Sound Effects |
| Sound | Thanapong Boonyachai | Sound Editor |
| Crew | Sunit Asavinikul | Mixing Engineer |
| Crew | Phannipha Kabillikavanich | Mixing Engineer |
| Crew | Vinai Srirat | Mixing Engineer |
