A drama serial — a TV or radio drama with an ongoing story broadcast in successive episodes, often weekly.
あの俳優は今、民放の連続ドラマで主演している。
That actor is now starring in a commercial TV drama serial.
毎週月曜の夜は家族で連続ドラマを見るのが習慣だ。
Every Monday night the family has a habit of watching a drama serial together.
連続ドラマの最終回で予想外の結末が明らかになった。
The drama serial's final episode revealed an unexpected ending.