diff --git a/telethon/tl/custom/dialog.py b/telethon/tl/custom/dialog.py
index 6b386163..921a4c34 100644
--- a/telethon/tl/custom/dialog.py
+++ b/telethon/tl/custom/dialog.py
@@ -1,4 +1,5 @@
 from . import Draft
+from .. import TLObject
 from ... import utils
 
 
@@ -73,3 +74,19 @@ class Dialog:
         ``client.send_message(dialog.input_entity, *args, **kwargs)``.
         """
         return self._client.send_message(self.input_entity, *args, **kwargs)
+
+    def to_dict(self):
+        return {
+            '_': 'Dialog',
+            'name': self.name,
+            'date': self.date,
+            'draft': self.draft,
+            'message': self.message,
+            'entity': self.entity,
+        }
+
+    def __str__(self):
+        return TLObject.pretty_format(self.to_dict())
+
+    def stringify(self):
+        return TLObject.pretty_format(self.to_dict(), indent=0)
diff --git a/telethon/tl/custom/draft.py b/telethon/tl/custom/draft.py
index f52ac6c9..09c0e6ac 100644
--- a/telethon/tl/custom/draft.py
+++ b/telethon/tl/custom/draft.py
@@ -1,7 +1,9 @@
 import datetime
 
+from .. import TLObject
 from ..functions.messages import SaveDraftRequest
 from ..types import UpdateDraftMessage, DraftMessage
+from ...errors import RPCError
 from ...extensions import markdown
 
 
@@ -141,3 +143,24 @@ class Draft:
         Deletes this draft, and returns ``True`` on success.
         """
         return self.set_message(text='')
+
+    def to_dict(self):
+        try:
+            entity = self.entity
+        except RPCError as e:
+            entity = e
+
+        return {
+            '_': 'Draft',
+            'text': self.text,
+            'entity': entity,
+            'date': self.date,
+            'link_preview': self.link_preview,
+            'reply_to_msg_id': self.reply_to_msg_id
+        }
+
+    def __str__(self):
+        return TLObject.pretty_format(self.to_dict())
+
+    def stringify(self):
+        return TLObject.pretty_format(self.to_dict(), indent=0)