Pee-wee's Playhouse - watch online: stream, buy or rent
Currently you are able to watch "Pee-wee's Playhouse" streaming on Amazon Prime Video, Shout! Factory Amazon Channel, Amazon Prime Video with Ads or for free with ads on Amazon Prime Video Free with Ads. It is also possible to buy "Pee-wee's Playhouse" as download on Apple TV.
You can also stream the title for free on Plex.