1. Open the Google Play Store app on your phone.
2. In the search bar, type in the name of the TV series that you want to download themes for.
3. Tap on the TV series title from the search results.
4. Scroll down and tap on the Themes tab.
5. Browse through the available themes and tap on the one that you want to download.
6. Tap on the Install button.
7. The theme will be downloaded and installed on your phone.
Once the theme is installed, you can apply it to your phone by following these steps:
1. Go to the Settings app on your phone.
2. Tap on Display.
3. Tap on Themes.
4. Select the theme that you want to apply.
5. The theme will be applied to your phone.