My Old Ass -- Film Description:
"An 18th-birthday mushroom trip brings Elliott face-to-face with her wisecracking 39-year-old self. When the older Elliott starts handing out warnings about what her younger self should and shouldn't do, she realizes she has to rethink everything about family, love, and what's becoming a transformative summer."
-- Apple TV

Source:
"Apple TV" Apple Inc.. https://tv.apple.com/. [official site]