diff --git a/anime_downloader/sites/anime.py b/anime_downloader/sites/anime.py
index 242abd8..9170c36 100644
--- a/anime_downloader/sites/anime.py
+++ b/anime_downloader/sites/anime.py
@@ -38,7 +38,12 @@ class BaseAnime():
         self._episodeIds = []
         r = requests.get(self.url)
         soup = BeautifulSoup(r.text, 'html.parser')
-        return self._getEpisodeUrls(soup)
+        self._episodeIds = self._getEpisodeUrls(soup)
+
+        logging.debug('EPISODE IDS: length: {}, ids: {}'.format(
+            len(self._episodeIds), self._episodeIds))
+
+        return self._episodeIds
 
     def __len__(self):
         return len(self._episodeIds)
@@ -78,10 +83,16 @@ class BaseEpisode:
         downloaded, chunksize = 0, 16384
         start_time = time.time()
 
+        logging.debug(path)
+
         if os.path.exists(path) and not force:
             if os.stat(path).st_size == total_size:
                 logging.warning('File already downloaded. Skipping download.')
                 return
+            else:
+                os.remove(path)
+        else:
+            os.remove(path)
 
         if r.status_code == 200:
             with open(path, 'wb') as f:
diff --git a/anime_downloader/sites/nineanime.py b/anime_downloader/sites/nineanime.py
index b7caeb0..6a742aa 100644
--- a/anime_downloader/sites/nineanime.py
+++ b/anime_downloader/sites/nineanime.py
@@ -1,12 +1,16 @@
 from .anime import BaseAnime, BaseEpisode
 from .exceptions import AnimeDLError, URLError, NotFoundError
+
+
 import json
 import requests
 from bs4 import BeautifulSoup
-import json
+
 import re
 import time
 
+import logging
+
 
 __all__ = ['NineAnimeEpisode', 'NineAnime']
 
@@ -19,13 +23,20 @@ class NineAnimeEpisode(BaseEpisode):
         params = {
             'id': self.episode_id,
             'server': '33',
-            # 'update': 0,
             'ts': self.ts
         }
         params['param_'] = int(generate_(params))
+
+        logging.debug('API call params: {}'.format(params))
+
         url = self._base_url.format(**params)
 
+        logging.debug('API call URL: {}'.format(url))
+
         data = json.loads(requests.get(url).text)
+
+        logging.debug('Returned data: {}'.format(data))
+
         url = data['target']
         title_re = re.compile(r'"og:title" content="(.*)"')
         image_re = re.compile(r'"og:image" content="(.*)"')
@@ -48,19 +59,25 @@ class NineAnime(BaseAnime):
     def _getEpisodeUrls(self, soup):
         ts = soup.find('html')['data-ts']
         self._episodeClass.ts = ts
+        logging.debug('data-ts: {}'.format(ts))
+
         episodes = soup.find_all('ul', ['episodes'])
+
         if episodes == []:
             err = 'No episodes found in url "{}"'.format(self.url)
-            if self._callback:
-                self._callback(err)
             args = [self.url]
             raise NotFoundError(err, *args)
+
         episodes = episodes[:int(len(episodes)/3)]
 
+        episode_ids = []
+
         for x in episodes:
             for a in x.find_all('a'):
                 ep_id = a.get('data-id')
-                self._episodeIds.append(ep_id)
+                episode_ids.append(ep_id)
+
+        return episode_ids
 
 
 def s(t):