The Rose And Joe (1977)

It's a Sanrio picture that feels partly like an anime art film and partly like a Warner Bros. cartoon. The film features some very creative imagery, a groovy 70's jazz score, and very little spoken dialogue. It's a story about a dog named Joe that falls in love with a rose and protects it from a mean spirited crow. There's some energetic Fritz Freeling style action. There's also some unexpectedly grim tragedy, not including the anticipated outcome, which does occur as expected.

Unfortunately the movie The Rose And Joe is not yet available on HBO Max.