watchable
adjective informal approving uk/ˈwɒtʃ.ə.bəl/ us/ˈwɑː.tʃə.bəl/
(电视节目、影片)好看的,值得一看的
A television programme or film that is watchable is entertaining.
It's not the best series I've ever seen but it's very watchable. 它虽然算不上是我看过最好的电视剧,但也非常值得一看。