The girl tells police she saw April Jones talking with the man, although she couldn't hear what they were saying.
In the recorded interview, she describes the man as having brown hair, green or brown eyes, and she thinks he was wearing a green jacket.
She said he "got into the van when April got into the van."
The parents of murdered April Jones fear that killer Mark Bridger may never reveal where the body of their daughter is.
ITV News correspondent Carole Green has covered the month-long trial of Mark Bridger at Mold Crown Court. Here she gives her personal view.
The disappearance of April Jones prompted the biggest search of its kind in British policing history.