You're probably thinking of 'Wishbone'. It aired in the 90s, about this Jack Russell Terrier who imagines himself in various literary classics. Each episode tied the book's theme to everyday life, and it was live-action with a realistic animation feel due to its storybook settings. A classic!!
Oh wow, didn’t realize it had a presence on *Pluto TV*! It’s a bummer it’s only in Portuguese and exclusive to Brazil though. Did some digging a while back and found the license rights seem tricky post-Netflix era. Sadly, a lot of niche shows face streaming limbo due to complex …