When Interstellar hit the big screen in 2014, one of the standout stars wasn’t Matthew McConaughey or Anne Hathaway—it was TARS, the witty robot that won billions of hearts worldwide.

"Interstellar" director Christopher Nolan ... the film's two monolith-like robots TARS and CASE had hardly any digital effects. Several puppets weighing 200 pounds were constructed and filmed ...