Question: When did Kelly Preston star in a fantasy film with her husband?

Context paragraphs:
Kelly Preston: Kelly Preston (born October 13, 1962) is an American actress and former model.  She has appeared in more than sixty television and film productions, most notably including "Mischief", "Twins" and "Jerry Maguire".  She is married to John Travolta, with whom she collaborated on the fantasy film "Battlefield Earth".  She also starred in the films "The Cat in the Hat", "Old Dogs", and "Broken Bridges".

Mischief (film): Mischief is a 1985 American teen comedy film starring Doug McKeon, Chris Nash, Catherine Mary Stewart and Kelly Preston.  The film was directed by Mel Damski and written by Noel Black.  The original music score was composed by Barry De Vorzon.

Secret Admirer: Secret Admirer is a 1985 American teen romantic comedy film written and directed by David Greenwalt in his feature film directorial debut, and starring C. Thomas Howell, Lori Loughlin, Kelly Preston and Fred Ward.  The original music score was composed by Jan Hammer.  The film was produced at the height of the teen sex comedy cinema craze in the mid-1980s.

Spellbinder (film): Spellbinder is a 1988 American thriller film directed by Janet Greek, starring Timothy Daly and Kelly Preston.  The screenplay was written by Tracy Tormé.  The original music score was written by Basil Poledouris.  The film was marketed with the tagline "A nightmare of illusion and betrayal".

View from the Top: View from the Top is a 2003 American romantic comedy film directed by Bruno Barreto, and stars Gwyneth Paltrow, Christina Applegate, Candice Bergen, Joshua Malina, Mark Ruffalo, Rob Lowe, Mike Myers, and Kelly Preston.  The film follows a young woman (Paltrow) from a small town who sets out to fulfill her dream of becoming a flight attendant.

Jack Frost (1998 film): Jack Frost is a 1998 American Christmas fantasy comedy drama film, starring Michael Keaton and Kelly Preston.  Keaton stars as the title character, a man who dies in a car accident and comes back to life as a snowman.  Three of Frank Zappa's four children, Dweezil Zappa, Ahmet Zappa, and Moon Unit Zappa, appear in the film.

Metalstorm: The Destruction of Jared-Syn: Metalstorm: The Destruction of Jared-Syn is a 1983 cult science fiction film starring Jeffrey Byron, Michael Preston, Tim Thomerson, Kelly Preston and Richard Moll.  It was directed and produced by Charles Band who is possibly better known for his other, rather low-budget science fiction and horror films such as the "Puppet Master" and "Trancers" series.  The story is a space-age western which combines themes of esoteric sorcery and high technology.  "Metalstorm" was filmed in 3D.

Cheyenne Warrior: Cheyenne Warrior is a 1994 American film written by Michael B. Druxman, directed by Mark Griffiths, and stars Kelly Preston, Dan Haggerty and Pato Hoffmann.  The film follows the struggle of a widowed, pregnant woman who is stranded at a trading post during the American Civil War.

Only You (1992 film): Only You is a 1992 harem comedy film starring Andrew McCarthy, Kelly Preston and Helen Hunt and was directed by Betty Thomas, in her film directing debut.

Battlefield Earth (film): Battlefield Earth (also referred to as Battlefield Earth: A Saga of the Year 3000) is a 2000 American science fiction action film based upon the first half of L. Ron Hubbard's 1982 novel of the same name.  Directed by Roger Christian and starring John Travolta, Barry Pepper and Forest Whitaker, the film depicts an Earth that has been under the rule of the alien Psychlos for 1,000 years and tells the story of the rebellion that develops when the Psychlos attempt to use the surviving humans as gold miners.

Supporting paragraphs: Kelly Preston Battlefield Earth (film)
Answer: 2000