B-movie
A B-movie is like the dream you had last night that was so good it made you happy, but also sad because it was just a dream.
"It felt like I was in a movie, but I was just in my bed.", @Dreamer2021
"I cried when I woke up because the dream was over.", @MovieDreamer
"It was like a movie, but it was just my brain doing stuff.", @BrainMovieLover