Shah Rukh Khan and Brett Ratner shared the stage at the San Francisco International Film Festival (SFILM), which paid a tribute to Shah Rukh in its 60th year."One day I want to make a 'Rush Hour' sequel in India with SRK in it," said Ratner, known for directing the "Rush Hour" series and "X-Men: The Last Stand", and for producing the Oscar winning movie "The Revenant".Both the stars -- suited and booted -- seemed to have immense fun during their conversation at the Castro Theatre here on Friday evening.Shah Rukh Khan taught his signature "Lungi dance" step to American filmmaker Brett Ratner.