Theorists believe that thousands of years ago, extraterrestrials landed on Earth in the season 20 premiere of History Channel’s hit series “Ancient Aliens” set to air Thursday, January 15 at 9 p.m.

Going into their 13th season, History Channel’s “The Curse of Oak Island,” brothers Rick and Marty Lagina, along with their team, return with new, bold plans to solve the 228-year-old Oak Island ...