Feeds
The 40-year-old revealed her interest in the subject as the group discussed the archaeological dig that Rex, Bex and Luke must carry out later today.
"I used to do archaeology," she said. "As a teenager. I loved it."
When Rex asked her if she had ever found anything interesting, she told him that she had found "flints".
"What about a little green man?" Stuart joked, referring to Lisa's earlier claims that she had once seen an alien while out camping.
Rex added: "Yeah, did you find the little green man's spaceship?"
As Maysoon giggled, Lisa joked that she had discovered the Tollund Man, referring to a famous archaeological discovery.
"And I did see a green man," she added, as the conversation came to an end.
