Disney registered the domain named for NationalTreasure3DVD.com and NationalTreasure4DVD.com yesterday, leading to rumors that the studio planning back to back sequels.

Despite weak reviews, "National Treasure: Book of Secrets" has already earned over $365 million worldwide in its first six weeks, already beating the take of the original 2004 feature.

According to Jim Hill Media, a plot synopsis going around has the Gates family heading to Easter Island and beyond in search of Atlantis and the secret of its clean power source.