STEP 1. Launch the well-installed Netflix app on iPad/iPhone. Then, log in via your Netflix account.
STEP 2. Hit the Hamburger-like icon in the upper-left corner. From the menu, select the "Available for Download" section.
STEP 3. Browse the Netflix movie to show you want to download for viewing offline. Click it to open the information page.
STEP 4. Now, just hit the provided "Download" icon, and the Netflix movie or show episodes will be downloaded to your offline library in the Netflix app right away.