Open the Netflix app on your device
Sign in to your Netflix account
Find the series you want to download
Open the series page
Select the episode or season you want
Tap the download icon next to the episode or season
Wait for the download to finish
Open the Downloads section in the app to watch offline
Make sure your device has enough storage space
Ensure you have an active Netflix subscription
Use the latest version of the Netflix app
Check that downloads are available for the title and your plan
Download over Wi-Fi to save mobile data