diff --git a/oxdata/movie/models.py b/oxdata/movie/models.py
index b7263fc..3f4418c 100644
--- a/oxdata/movie/models.py
+++ b/oxdata/movie/models.py
@@ -3,12 +3,14 @@
 from __future__ import division, print_function, absolute_import
 
 import re
+import os
 import unicodedata
 from six.moves.urllib.parse import quote
 from six import string_types
 import hashlib
 import base64
 import binascii
+import json
 
 from six import string_types
 from django.db import models
@@ -233,23 +235,42 @@ class Imdb(models.Model):
         return j
 
 def get_new_ids(timeout=-1):
-    known_ids = frozenset([i['imdb'] for i in Imdb.objects.all().values('imdb')])
-    robot = ox.cache.read_url('http://www.imdb.com/robots.txt', timeout=timeout)
-    sitemap_url = re.compile('\nSitemap: (http.+)').findall(robot)[0]
-    sitemap = ox.cache.read_url(sitemap_url, timeout=timeout)
-    urls = re.compile('<loc>(.+?)</loc>').findall(sitemap)
-    for url in sorted(urls, reverse=True):
-        s = ox.cache.read_url(url, timeout=timeout)
-        ids = re.compile('<loc>http://www.imdb.com/title/tt(\d{7})/combined</loc>').findall(s)
-        added = 0
-        for i in frozenset(ids) - known_ids:
-            m, created = Imdb.objects.get_or_create(imdb=i)
+    new_ids_cache = '/tmp/missing.json'
+    if os.path.exists(new_ids_cache):
+        with open(new_ids_cache) as fd:
+            new_ids = set(json.load(fd))
+    else:
+        robot = ox.cache.read_url('http://www.imdb.com/robots.txt', timeout=timeout)
+        sitemap_url = re.compile('\nSitemap: (http.+)').findall(robot)[0]
+        sitemap = ox.cache.read_url(sitemap_url, timeout=timeout)
+        urls = re.compile('<loc>(.+?)</loc>').findall(sitemap)
+        ids = set()
+        for url in sorted(urls, reverse=False):
+            s = ox.cache.read_url(url, timeout=timeout)
+            ids |= set(re.compile('<loc>http://www.imdb.com/title/tt(\d{7})/combined</loc>').findall(s))
+            #print url, len(ids)
+        known_ids = frozenset([i['imdb'] for i in Imdb.objects.all().values('imdb')])
+        new_ids = frozenset(ids) - known_ids
+    print('adding %s new items' % len(new_ids))
+    added = 0
+    done = set()
+    for i in sorted(new_ids):
+        print(i)
+        m, created = Imdb.objects.get_or_create(imdb=i)
+        try:
             m.update()
-            print(m)
-            if created:
-                added += 1
-        if added:
-            print(url, added)
+        except:
+            with open('/tmp/missing.json', 'w') as fd:
+                json.dump(list(new_ids-done), fd)
+            raise
+        print(m)
+        if created:
+            added += 1
+        done.add(i)
+    if added:
+        print(added)
+    if os.path.exists(new_ids_cache):
+        os.unlink(new_ids_cache)
 
 class Match(models.Model):
     keys = [