Land of the Lost Season 1 Episode 15 Elsewhen

Rick, Will, and Holly are accidentally transported to an alternate universe where they find a statue that appears to resemble Cha-Ka. They're shocked when they also encounter a group of intelligent visitors from Earth who have been stranded in that dimension for years. The newcomers tell the trio their story, which involves a visit to Land of the Lost in their universe while on an archaeological expedition. They arrived in the alternate universe ten years in the future, and have been trying to get back to their own time ever since. The Lost City of the future is flanked by menacing Sleestak guards, and the group must deal with them to return home. It's a race against time as the Earthlings hope they can get back to their own dimension before they lose their opportunity. Meanwhile, Rick, Will, and Holly work together to find their way home and return to the world they know.