diff --git a/rwx/sw/yt_dlp/__init__.py b/rwx/sw/yt_dlp/__init__.py
index 9e261ff..d28ab86 100644
--- a/rwx/sw/yt_dlp/__init__.py
+++ b/rwx/sw/yt_dlp/__init__.py
@@ -15,6 +15,7 @@
 # …
 
 from abc import ABC, abstractmethod
+from pathlib import Path
 from typing import Any
 from rwx import Object
 from rwx.log import stream as log
@@ -64,7 +65,11 @@ class Tab(Object, ABC):
 
     @staticmethod
     def yt_dl(opt: dict) -> YoutubeDL:
-        options = {**opt, "ignoreerrors": False, "quiet": False}
+        options = {
+            **opt,
+            "ignoreerrors": False,
+            "quiet": False,
+        }
         log.info(options)
         return YoutubeDL(options)
 
@@ -95,9 +100,6 @@ class Video(Tab):
         self.categories = info["categories"]
         self.tags = info["tags"]
         self.description = info["description"]
-        # TODO formats
-        # TODO thumbnails
-        # TODO thumbnail
 
     def download(self) -> None:
         Tab.yt_dl(
@@ -132,7 +134,7 @@ class Videos(Tab):
         super().__init__(channel_id)
         info = self.extract()
         self.title = info["title"]
-        self.ids = [v["id"] for v in info["entries"]]
+        self.ids = [v["id"] for v in reversed(info["entries"])]
         self.videos = {}
 
     def get_url(self) -> str:
@@ -144,3 +146,21 @@ class Videos(Tab):
             self.videos[video_id] = Video(video_id)
             done += 1
             log.info(done)
+
+    def next(self) -> str | None:
+        for video_id in self.ids:
+            if not Path(f"{video_id}.mp4").exists():
+                return video_id
+        return None
+
+
+def download(video_id: str | None) -> None:
+    if video_id:
+        Tab.yt_dl(
+            {
+                "format": "bestvideo[ext=mp4]+bestaudio[ext=mp4]",
+                "outtmpl": "%(id)s.%(ext)s",
+                "writesubtitles": True,
+                "writethumbnail": True,
+            }
+        ).download([f"{Tab.URL_ROOT}/watch?v={video_id}"])