Zeus & Roxanne (1997)

"A friendship no one ever thought possible. An adventure no one ever will forget."

Plot Summary

Mary Beth is a marine biologist that gets annoyed when a dog called Zeus stows aboard her research boat. Nevertheless she is intrigued when the intrusive canine makes best-friends with her captive dolphin, Roxanne. She falls in love with Zeus's owner, Terry, a musician who rides a bike.