David Gerrold gave Land of the Lost an ending, then renewal ate it

We were lucky to grow up in the days of Saturday morning TV offering kids cereal, dinosaurs, and causality problems.

Thinking the show was doomed, legendary television sci-fi writer David Gerrold gave Land of the Lost an elegant series finale. Then the Marshall family got renewed, and the show promptly forgot it had happened.

In the Season 1 finale, “Circle,” the Marshalls learn that the Land of the Lost is caught in a time loop. The family’s arrival and escape are tan…