Where can I watch old Cartoon Network shows legally?

The safest legal places to watch old Cartoon Network shows are official Warner Bros. Discovery/Cartoon Network channels, paid digital stores, and current licensed streaming services. Availability changes a lot by country and by show, so search by the specific title.

Good places to check:

1. Max — often the first place to check for Cartoon Network, Adult Swim, and Warner-owned animation, though the catalog rotates.
2. Hulu, Netflix, Prime Video, or other major streamers — some shows may be licensed there temporarily depending on your region.
3. Digital purchase/rental stores — Amazon Prime Video Store, Apple TV, Google TV/YouTube Movies & TV, Vudu/Fandango at Home, and Microsoft Store often sell seasons or episodes of older shows.
4. Cartoon Network or Adult Swim official sites/apps/YouTube channels — they may have selected full episodes, clips, or marathons.
5. Live TV streaming services with Cartoon Network — YouTube TV, Hulu + Live TV, Sling TV, DirecTV Stream, or similar services may carry reruns or on-demand episodes if Cartoon Network is included.
6. Library services — Hoopla or Kanopy may occasionally have licensed animation, depending on your local library.
7. DVDs/Blu-rays — still one of the most reliable legal options for older or removed shows, especially for series that are not streaming.

Practical tip: use a legal availability search tool such as JustWatch or Reelgood, enter the exact show name, and set your country. Then verify on the service before subscribing or buying, because catalogs can change without much notice.