Stargate SG1 - S08E19 "Moebius" (part 1)

Original air date February 15, 2005

"At Cheyenne Mountain, Brigadier General George S. Hammond informs Carter and Daniel that archaeologists found a video camera in a vacuum-sealed canopic jar at a dig in Giza. The video contains a recording of the made by the original SG-1, explaining who they are and what they were doing, as well as a number of events and situations that are true in their timeline, such as recent political events,"

Source: [link to stargate.wikia.com]

LOL