Via Vision (Imprint) is an Australian company that releases tv shows on dvd and blu ray such as Bewitched and Jeannie which they have just done. I've just messaged them to say, please release TBB on blu ray.

https://viavision.com.au/shop/category/imprint-films/imprint-television/?srsltid=AfmBOooOpSUUwntWEtydZK0-wUiwoPeyJVrx8IfVYX0eX-DkQBJ4RiJt

Come everyone, contact them too! :)