Riddle of the Sphinx
- Episode aired Dec 16, 2011
- TV-PG
- 23m
After Holiday fails to return from Egypt, the team searches for her. They soon find something has survived in the Pyramids. Black Knight makes a startling discovery.After Holiday fails to return from Egypt, the team searches for her. They soon find something has survived in the Pyramids. Black Knight makes a startling discovery.After Holiday fails to return from Egypt, the team searches for her. They soon find something has survived in the Pyramids. Black Knight makes a startling discovery.