18K views · 416 reactions | Ahead of tonight’s return of In Search Of, let’s look back at past theories about the Loch Ness Monster, the subject of tonight’s episode, then catch the season two premiere at 10/9c on History. | Ancient Aliens | Facebook

87K views · 946 shares | Giorgio A. Tsoukalos continues his quest to uncover alien mysteries across the globe. Don't miss an all-new In Search of Aliens this Friday at 10e/11p. | Ancient Aliens | Facebook

4.5K views · 239 reactions | TONIGHT! Catch a brand new Ancient Aliens episode as we explore the life and work of "Jacques Vallée: UFO Pioneer". Jacques was one of the first to suggest that the UFO phenomenon originated thousands of years ago. Tonight, Friday at 9/8c, only on History. #AncientAliens | Giorgio A. Tsoukalos | Facebook