diff --git a/examples/datasets/download_dataset.py b/examples/datasets/download_dataset.py
index 81b6fe559..29d4031b7 100755
--- a/examples/datasets/download_dataset.py
+++ b/examples/datasets/download_dataset.py
@@ -1,22 +1,35 @@
-"""Script to download benchmark dataset(s)"""
+"""
+Script to download benchmark dataset(s)
+
+By default, this script downloads the 'mipnerf360' dataset. 
+You can specify a different dataset to download using the --dataset option. 
+If you want to download all available datasets, you can set the --dataset option to 'all'.
+"""
 
 import os
 import subprocess
 from dataclasses import dataclass
 from pathlib import Path
-from typing import Literal
-
+from typing import Literal, List
 import tyro
 
 # dataset names
-dataset_names = Literal["mipnerf360"]
+dataset_names = Literal["mipnerf360", "mipnerf360_extra", "tandt", "deepblending", "all"]
 
 # dataset urls
-urls = {"mipnerf360": "http://storage.googleapis.com/gresearch/refraw360/360_v2.zip"}
+urls = {
+    "mipnerf360": "http://storage.googleapis.com/gresearch/refraw360/360_v2.zip",
+    "mipnerf360_extra": "https://storage.googleapis.com/gresearch/refraw360/360_extra_scenes.zip",
+    "tandt_db": "https://repo-sam.inria.fr/fungraph/3d-gaussian-splatting/datasets/input/tandt_db.zip"
+}
 
 # rename maps
-dataset_rename_map = {"mipnerf360": "360_v2"}
-
+dataset_rename_map = {
+    "mipnerf360": "360_v2",
+    "mipnerf360_extra": "360_v2",
+    "tandt": "tandt",
+    "deepblending": "db"
+}
 
 @dataclass
 class DownloadData:
@@ -25,52 +38,66 @@ class DownloadData:
 
     def main(self):
         self.save_dir.mkdir(parents=True, exist_ok=True)
-        self.dataset_download(self.dataset)
-
-    def dataset_download(self, dataset: dataset_names):
-        (self.save_dir / dataset_rename_map[dataset]).mkdir(parents=True, exist_ok=True)
+        if self.dataset == "all":
+            for dataset in urls.keys():
+                self.dataset_download(dataset)
+        else:
+            self.dataset_download(self.dataset)
 
-        file_name = Path(urls[dataset]).name
+    def dataset_download(self, dataset: str):
+        if dataset in ["tandt", "deepblending", "tandt_db"]:
+            url = urls["tandt_db"]
+            file_name = Path(url).name
+            extract_dir = self.save_dir
+        else:
+            url = urls[dataset]
+            file_name = Path(url).name
+            extract_dir = self.save_dir / dataset_rename_map[dataset]
 
         # download
         download_command = [
             "wget",
             "-P",
-            str(self.save_dir / dataset_rename_map[dataset]),
-            urls[dataset],
+            str(extract_dir),
+            url,
         ]
         try:
             subprocess.run(download_command, check=True)
-            print("File file downloaded succesfully.")
+            print(f"File {file_name} downloaded successfully.")
         except subprocess.CalledProcessError as e:
             print(f"Error downloading file: {e}")
+            return
 
         # if .zip
-        if Path(urls[dataset]).suffix == ".zip":
+        if Path(url).suffix == ".zip":
             extract_command = [
                 "unzip",
-                self.save_dir / dataset_rename_map[dataset] / file_name,
+                "-o",
+                extract_dir / file_name,
                 "-d",
-                self.save_dir / dataset_rename_map[dataset],
+                extract_dir,
             ]
         # if .tar
         else:
             extract_command = [
                 "tar",
                 "-xvzf",
-                self.save_dir / dataset_rename_map[dataset] / file_name,
+                extract_dir / file_name,
                 "-C",
-                self.save_dir / dataset_rename_map[dataset],
+                extract_dir,
             ]
 
-        # extract
         try:
             subprocess.run(extract_command, check=True)
-            os.remove(self.save_dir / dataset_rename_map[dataset] / file_name)
+            os.remove(extract_dir / file_name)
             print("Extraction complete.")
         except subprocess.CalledProcessError as e:
             print(f"Extraction failed: {e}")
 
+        # For tandt_db, we need to rename the extracted folders
+        if dataset in ["tandt", "deepblending"]:
+            os.rename(self.save_dir / "tandt", self.save_dir / dataset_rename_map["tandt"])
+            os.rename(self.save_dir / "db", self.save_dir / dataset_rename_map["deepblending"])
 
 if __name__ == "__main__":
-    tyro.cli(DownloadData).main()
+    tyro.cli(DownloadData).main()
\ No newline at end of file