The best way is to download a "Mega-Compilation" (often 1–3 hours long) via YouTube Premium or Amazon Prime before you leave for the airport. This ensures you have hours of entertainment without needing Wi-Fi.
The most direct way to access and download content is through the official . It is designed specifically for fans who want a curated, safe environment to watch the series. pencilmation download
: Unofficial download sites are notorious for injecting viruses into your device. The best way is to download a "Mega-Compilation"