Barney's Great Adventure (also known as Barney's Great Adventure: The Movie by its promotional title) is a 1998 American musical adventure film based on the children's television series Barney & Friends. The film was released to theaters on April 3, 1998. The film was later released on video in September 1, 1998. The film was written by Stephen White, directed by Steve Gomer, produced by Dennis DeShazer and Lyrick Studios and distributed by Paramount Home Entertainment.
A trip to Grandpa's farm turns into an incredible journey as Barney, Baby Bop, BJ and their friends - Cody (played by Trevor Morgan), Heidi (played by Ashley Olsen) and Marcella (played by Mary-Kate Olsen) look high and low for a magic egg that's about to hatch something very special.
- Barney (Voice - Bob West, Costume - Josh Martin)
- Baby Bop (Voice - Julie Johnson, Costume - Jennifer Romano)
- BJ (Voice - Patty Wirtz, Costume - Jeff Brooks and Kyle Nelson)
- Cody (Trevor Morgan)
- Heidi (Ashley Olsen)
- Marcella (Mary-Kate Olsen)
- Grandpa Greenfield (George Hearn)
- Grandma Greenfield (Shirley Douglas)
- Mrs. Mildred Goldfinch (Andrea Martin)