Google Play Movies and Video has Bumblebee + Transformers 6-Movie Collection on sale for $38.99 HD or $43.99 4K/UHD. I don’t know what the expiration date is on the sale.
Note that this does not transfer via Movies Anywhere as Paramount is not a participating provider.
https://play.google.com/store/mov…-d4pHbj8Bw