The best thing about Bumblebee is Bumblebee.

Hailee Steinfeld (left) stars as Charlie Watson in Bumblebee. CREDIT: Paramount Pictures
This post for Bumblebee is spoiler-free.
Bumblebee (2018, directed by Travis Knight) is a spin-off of the Transformers franchise. This prequel is set in 1987 and follows the story of Bumblebee and his relationship with the tomboyish teenager Charlie Watson (Hailee Steinfeld).