diff --git a/youtube_dl/extractor/nationalgeographic.py b/youtube_dl/extractor/nationalgeographic.py
index d5492c942..8b686af81 100644
--- a/youtube_dl/extractor/nationalgeographic.py
+++ b/youtube_dl/extractor/nationalgeographic.py
@@ -85,20 +85,6 @@ class NationalGeographicIE(ThePlatformIE, AdobePassIE):
             },
             'add_ie': ['ThePlatform'],
         },
-        {
-            'url': 'http://channel.nationalgeographic.com/u/kdi9Ld0PN2molUUIMSBGxoeDhD729KRjQcnxtetilWPMevo8ZwUBIDuPR0Q3D2LVaTsk0MPRkRWDB8ZhqWVeyoxfsZZm36yRp1j-zPfsHEyI_EgAeFY/',
-            'md5': '518c9aa655686cf81493af5cc21e2a04',
-            'info_dict': {
-                'id': 'vKInpacll2pC',
-                'ext': 'mp4',
-                'title': 'Uncovering a Universal Knowledge',
-                'description': 'md5:1a89148475bf931b3661fcd6ddb2ae3a',
-                'timestamp': 1458680907,
-                'upload_date': '20160322',
-                'uploader': 'NEWA-FNG-NGTV',
-            },
-            'add_ie': ['ThePlatform'],
-        },
         {
             'url': 'http://channel.nationalgeographic.com/wild/destination-wild/videos/the-stunning-red-bird-of-paradise/',
             'md5': 'c4912f656b4cbe58f3e000c489360989',
@@ -114,15 +100,15 @@ class NationalGeographicIE(ThePlatformIE, AdobePassIE):
             'add_ie': ['ThePlatform'],
         },
         {
-            'url': 'http://channel.nationalgeographic.com/u/kdvOstqYaBY-vSBPyYgAZRUL4sWUJ5XUUPEhc7ISyBHqoIO4_dzfY3K6EjHIC0hmFXoQ7Cpzm6RkET7S3oMlm6CFnrQwSUwo/',
-            'md5': 'c4912f656b4cbe58f3e000c489360989',
+            'url': 'http://channel.nationalgeographic.com/u/kcOIVhcWjca1n65QtmFg_5vIMZ9j1S1CXT46o65HkAANx6SUvJvQAQfYjGC0CkQwGNSgnX54f2aoFg/',
+            'md5': '8727ce6610e8d54dfa523ec8dbc12d02',
             'info_dict': {
-                'id': 'Pok5lWCkiEFA',
+                'id': '7U3oHGsUo9DI',
                 'ext': 'mp4',
-                'title': 'The Stunning Red Bird of Paradise',
-                'description': 'md5:7bc8cd1da29686be4d17ad1230f0140c',
-                'timestamp': 1459362152,
-                'upload_date': '20160330',
+                'title': 'One Strange Rock Trailer',
+                'description': 'md5:27c87bc04f2f1c41dd49a4456175c1ec',
+                'timestamp': 1519162181,
+                'upload_date': '20180220',
                 'uploader': 'NEWA-FNG-NGTV',
             },
             'add_ie': ['ThePlatform'],
@@ -131,17 +117,9 @@ class NationalGeographicIE(ThePlatformIE, AdobePassIE):
             'url': 'http://channel.nationalgeographic.com/the-story-of-god-with-morgan-freeman/episodes/the-power-of-miracles/',
             'only_matching': True,
         },
-        {
-            'url': 'http://channel.nationalgeographic.com/u/kdi9Ld0PN2molUUIMSBGxoeDhD729KRjQcnxtetilWPMevo8ZwUSXkSTKeZRprWH4EnGTzTX5XvTLIf_ZJ84eqa9CkXL7ve9qquErlA/',
-            'only_matching': True,
-        },
         {
             'url': 'http://channel.nationalgeographic.com/videos/treasures-rediscovered/',
             'only_matching': True,
-        },
-        {
-            'url': 'http://channel.nationalgeographic.com/u/kdpkrVDqVLq3UmWBm6HFX3ZlQR7Mxof8CYI8cN88MvXkTJviZipx/',
-            'only_matching': True,
         }
     ]