diff --git a/twitch/helix/api.py b/twitch/helix/api.py
index 37e436b..0bb5f2a 100644
--- a/twitch/helix/api.py
+++ b/twitch/helix/api.py
@@ -21,6 +21,7 @@
     Tag,
     User,
     Video,
+    Channel
 )
 
 
@@ -374,3 +375,23 @@ def get_tags(self, after=None, page_size=20, tag_ids=None):
             resource=Tag,
             params=params,
         )
+
+    def search_channels(self, query, after=None, page_size=20, live_only=False):
+        """https://dev.twitch.tv/docs/api/reference#search-channels"""
+        if page_size > 100:
+            raise TwitchAttributeException('Maximum number of objects to return is 100')
+
+        params = {
+            'query': query,
+            'after': after,
+            'first': page_size,
+            'live_only': live_only
+        }
+
+        return APICursor(
+            client_id=self._client_id,
+            oauth_token=self._oauth_token,
+            path='search/channels',
+            resource=Channel,
+            params=params,
+        )
\ No newline at end of file
diff --git a/twitch/resources.py b/twitch/resources.py
index 456aa0a..c9d4fbb 100644
--- a/twitch/resources.py
+++ b/twitch/resources.py
@@ -68,7 +68,7 @@ def refresh_from(self, values):
 class _DateTime(object):
     @classmethod
     def construct_from(cls, value):
-        if value is None:
+        if value is None or value == '':
             return None
         try:
             dt = datetime.strptime(value, "%Y-%m-%dT%H:%M:%SZ")