For advanced users, Kodi or Plex with the DVD ISO scanner plugin can add the ISO to your media library, complete with metadata and poster art.
For children of the 2000s, navigating a Nick Jr. DVD menu was a ritual. Who remembers the "Nick Jr. Active" menu where you had to drag puzzle pieces? Or the interactive "Rescue Pack" selection screen on Go, Diego, Go! ? MP4 files strip these away. The ISO preserves the full user experience. nick jr dvd iso archive