The film (pictured), released on Apple TV+ on Friday, stars John Krasinski and Natalie Portman as estranged siblings who team ...

John Krasinski and Natalie Portman’s occasionally fun sibling chemistry isn’t enough to keep this throwback adventure movie afloat, and it sinks quickly.

Here's the ending of Fountain of Youth explained, including answers to all the questions about the climax of the Apple TV+ ...