Most smart TVs and streaming boxes (Roku, Apple TV) cannot play ISO files natively. You will need to convert the ISO to an MKV (using MakeMKV) if you only want the episodes. But that defeats the archival purpose. The Legal Grey Zone: Preservation vs. Piracy The keyword "archive" implies a noble goal, but the reality is complex. The Copyright Term Extension Act means these DVDs will not enter the public domain for nearly a century (if ever).
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. nick jr dvd iso archive
However, the "abandonware" argument applies to DVDs just as it does to old software. If a company (Paramount Global, as of 2025) no longer sells the disc, offers no legal streaming option for the interactive content, and has delisted the episode from any paid service, does downloading an ISO constitute theft or preservation? Most smart TVs and streaming boxes (Roku, Apple