Best Teen Romance movies of 1984 that are oscar winners or nominees

Actors : John Candy, Daryl Hannah, Eugene Levy, Tom Hanks,
Directors : Ron Howard,

A young man is reunited with a mermaid who saves him from drowning as a boy and falls in love not knowing who/what she is.

Actors : Kevin Bacon, Lori Singer, John Lithgow, Dianne Wiest,
Directors : Herbert Ross,

A city teenager moves to a small town where rock music and dancing have been banned, and his rebellious spirit shakes up the populace.