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05/05/2014 01:27 pm ET Updated May 05, 2014

John Oliver's 'Last Week Tonight' Set Has A Hidden 'Game Of Thrones' Easter Egg

Thanks to John Oliver's intricate "Last Week Tonight" set, HBO is getting some free cross-promotion for its other show, "Game Of Thrones."

Before taping the second-ever episode of his new late night talk show on Sunday night in New York City, Oliver took questions from audience members, one of whom asked him about his favorite part of the set.

Oliver quickly walked over to his set's background, which at first glance looks like the Manhattan skyline, but upon closer inspection you see that it contains iconic buildings and structures from all over the world, like Seattle's Space Needle, the Egyptian pyramids and Notre Dame in Paris.

But Oliver's favorite addition? That would have to be the castle Dragonstone from HBO's "Game Of Thrones." It's the one that's tucked in next to the Empire State building, right over Oliver's right shoulder:

john oliver game of thrones

You know, this one:

castle

For a better look, watch the clip from Sunday night's episode skewering the White House Correspondents Dinner below.

"Last Week Tonight" airs Sundays at 11:00 p.m. EST on HBO.

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