diff --git a/README.md b/README.md
index 6058b65..d0e59df 100644
--- a/README.md
+++ b/README.md
@@ -44,8 +44,11 @@ In its current state, this bot does exactly what it needs to do. However, lots o
 
 I have tried to simplify the code so anyone can read it and start contibuting at any skill level. Don't be shy :) contribute!
 
+- [ ] Creating better documentation and adding a command line interface.
 - [x] Allowing users to choose a reddit thread instead of being randomized.
 - [x] Allowing users to choose a background that is picked instead of the Minecraft one.
 - [x] Allowing users to choose between any subreddit.
 - [x] Allowing users to change voice.
-- [ ] Creating better documentation and adding a command line interface.
+- [x] Checks if a video has already been created
+- [x] Light and Dark modes
+- [x] Nsfw post filter
diff --git a/reddit/subreddit.py b/reddit/subreddit.py
index ada56e5..049bb06 100644
--- a/reddit/subreddit.py
+++ b/reddit/subreddit.py
@@ -6,6 +6,8 @@ import random
 from dotenv import load_dotenv
 from os import getenv, environ
 
+from utils.videos import check_done
+
 
 def ascifi(text):
     regrex_pattern = re.compile(pattern="["
@@ -45,12 +47,13 @@ def get_subreddit_threads():
     else:
         threads = subreddit.hot(limit=25)
         submission = list(threads)[random.randrange(0, 25)]
+    submission = check_done(submission)
 
-    print(submission)
     print_substep(
         f'subreddit thread is: {submission.title}\n(if you dont like this, you can change it by exiting and rerunning the program)')
 
     environ["VIDEO_TITLE"] = str(ascifi(submission.title))
+    environ["VIDEO_ID"] = str(ascifi(submission.id))
     try:
 
         content["thread_url"] = submission.url
diff --git a/utils/videos.py b/utils/videos.py
new file mode 100644
index 0000000..66b9a75
--- /dev/null
+++ b/utils/videos.py
@@ -0,0 +1,22 @@
+import inspect
+import json
+from os import getenv
+
+from utils.console import print_step
+
+
+def check_done(redditobj):  # don't set this to be run anyplace that isn't subreddit.py bc of inspect stack
+    """params:
+            reddit_object: The Reddit Object you received in askreddit.py"""
+    if getenv('POST_ID'):
+        print_step(
+            'You already have done this video but since it was declared specifically in the .env file the program will continue')
+        return redditobj
+    with open('./video_creation/data/videos.json', 'r') as done_vids_raw:
+        done_videos = json.load(done_vids_raw)
+    for video in done_videos:
+        if video['id'] == str(redditobj):
+            print_step('Getting new post as the current one has already been done')
+            from reddit.subreddit import get_subreddit_threads
+            return get_subreddit_threads()  # recursive func
+    return redditobj
diff --git a/video_creation/TTSwrapper.py b/video_creation/TTSwrapper.py
index 130f2de..e239e81 100644
--- a/video_creation/TTSwrapper.py
+++ b/video_creation/TTSwrapper.py
@@ -65,9 +65,8 @@ class TTTTSWrapper:  # TikTok Text-to-Speech Wrapper
 
         b64d = base64.b64decode(vstr)
 
-        out = open(filename, "wb")
-        out.write(b64d)
-        out.close()
+        with open(filename, "wb") as out:
+            out.write(b64d)
 
     @staticmethod
     def randomvoice():
diff --git a/video_creation/data/videos.json b/video_creation/data/videos.json
new file mode 100644
index 0000000..19419c0
--- /dev/null
+++ b/video_creation/data/videos.json
@@ -0,0 +1,23 @@
+[
+    {
+        "id": "ult7el",
+        "time": "1654117088",
+        "background_credit": "Orbital Gameplay",
+        "reddit_title": "What famous place is not worth visiting?",
+        "filename": "What famous place is not worth....mp4"
+    },
+    {
+        "id": "v2hup1",
+        "time": "1654118137",
+        "background_credit": "bbswitzer",
+        "reddit_title": "What job interview question do you think is pointless?",
+        "filename": "What job interview question do....mp4"
+    },
+    {
+        "id": "v2nqiu",
+        "time": "1654118543",
+        "background_credit": "bbswitzer",
+        "reddit_title": "What is a fact that people are not ready to hear?",
+        "filename": "What is a fact that people are....mp4"
+    }
+]
\ No newline at end of file
diff --git a/video_creation/final_video.py b/video_creation/final_video.py
index e5dfe68..296761d 100644
--- a/video_creation/final_video.py
+++ b/video_creation/final_video.py
@@ -1,4 +1,6 @@
+import json
 import os
+import time
 
 from moviepy.editor import (VideoFileClip, AudioFileClip, ImageClip, concatenate_videoclips, concatenate_audioclips,
                             CompositeAudioClip, CompositeVideoClip)
@@ -44,8 +46,22 @@ def make_final_video(number_of_clips):
         else:
             return title[0:30] + "..."
 
-    final.write_videofile(f"results/{get_video_title()}.mp4", fps=30, audio_codec="aac", audio_bitrate="192k")
+    filename = f'{get_video_title()}.mp4'
 
+    def save_data():
+        with open('./video_creation/data/videos.json', 'r+') as raw_vids:
+            done_vids = json.load(raw_vids)
+            if str(os.getenv("VIDEO_ID")) in [video['id'] for video in done_vids]:
+                return  # video already done but was specified to continue anyway in the .env file
+            payload = {"id": str(os.getenv("VIDEO_ID")), 'time': str(int(time.time())),
+                       "background_credit": str(os.getenv('background_credit')),
+                       "reddit_title": str(os.getenv('VIDEO_TITLE')), "filename": filename}
+            done_vids.append(payload)
+            raw_vids.seek(0)
+            json.dump(done_vids, raw_vids, ensure_ascii=False, indent=4)
+
+    save_data()
+    final.write_videofile(f"results/{filename}", fps=30, audio_codec="aac", audio_bitrate="192k")
     print_step("Removing temporary files 🗑")
     cleanups = cleanup()
     print_substep(f"Removed {cleanups} temporary files 🗑")