Open the show from the Subs tab and turn off Use my download defaults.
- Tap Subs, then tap the show.
- Under Show settings, turn off Use my download defaults.
- Choose this show's settings:
- Download new episodes
- Limit downloads kept, then set how many to Keep with − and + (up to 50)
- Delete after played
Changes save automatically. To go back to your usual settings, turn Use my download defaults back on. While it's on, the show lists what your defaults do.
The limit counts every download of that show, including ones you downloaded yourself, and keeps the newest by release date. To keep an older episode, save it.