diff --git a/homelab/rename-one-piece.py b/homelab/rename-one-piece.py
new file mode 100644
index 0000000..08aa4a9
--- /dev/null
+++ b/homelab/rename-one-piece.py
@@ -0,0 +1,79 @@
+#!/usr/bin/python3
+
+import os
+import re
+
+ONE_PIECE_SEASON_COUNT = [
+    8,  # Season 1
+    22,  # Season 2
+    17,  # Season 3
+    13,  # Season 4
+    9,  # Season 5
+    22,  # Season 6
+    39,  # Season 7
+    13,  # Season 8
+    52,  # Season 9
+    31,  # Season 10
+    99,  # Season 11
+    56,  # Season 12
+    100,  # Season 13
+    35,  # Season 14
+    62,  # Season 15
+    49,  # Season 16
+    118,  # Season 17
+    33,  # Season 18
+    98,  # Season 19
+    14,  # Season 20
+    179,  # Season 21
+]
+
+ONE_PIECE_DIR = "/mnt/mergerfs/media/tv/One Piece"
+
+
+def _extract_episode_number(filename):
+    # [HorribleSubs] One Piece - 260 [1080p].mkv -> 260
+    return int(re.findall(r"\s(\d+)\s", filename)[0])
+
+
+def _get_episode_season(absolute_number):
+    season = 1
+    episodes_in_season = ONE_PIECE_SEASON_COUNT[season - 1]
+    while absolute_number > episodes_in_season:
+        season += 1
+        episodes_in_season += ONE_PIECE_SEASON_COUNT[season - 1]
+    return season
+
+
+def _get_episode_number(season, absolute_number):
+    relative_number = absolute_number - sum(ONE_PIECE_SEASON_COUNT[:season - 1])
+    missing_episode = 590
+    if relative_number > missing_episode:
+        relative_number += 1
+    return relative_number
+
+
+def _get_new_name(relative_episode_number, actual_season):
+    name = "[HorribleSubs] One Piece - S"
+    if actual_season < 10:
+        name += "0"
+    name += f"{actual_season}"
+    return name + f"E{relative_episode_number} [1080p].mkv"
+
+
+def main():
+    # 589 -> 591
+    all_files = os.listdir(ONE_PIECE_DIR)
+    for f in all_files:
+        # skip files that have a season associated with them
+        if "S0" in f:
+            print(f'Skipping {f}')
+            continue
+        current_episode = _extract_episode_number(f)
+        episode_season = _get_episode_season(current_episode)
+        relative_episode_number = _get_episode_number(episode_season, current_episode)
+        new_name = _get_new_name(relative_episode_number, episode_season)
+        print(f"Renaming {f} to {new_name}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/zx/change_branch.mjs b/zx/change_branch.mjs
new file mode 100755
index 0000000..e48eb6b
--- /dev/null
+++ b/zx/change_branch.mjs
@@ -0,0 +1,3 @@
+#!/usr/bin/env zx
+
+$.verbose = false;
diff --git a/zx/new_issue_branch.mjs b/zx/new_issue_branch.mjs
index 6212285..bb5362f 100755
--- a/zx/new_issue_branch.mjs
+++ b/zx/new_issue_branch.mjs
@@ -6,7 +6,7 @@ const issueNumber = process.argv[3];
 const issue = await $`gh issue view ${issueNumber} --repo cosmos/ibc-go --json title`;
 const issueTitle = JSON.parse(issue).title;
 
-let sanitizedTitle = issueTitle.replaceAll(" ", "-").trim()
+let sanitizedTitle = issueTitle.replaceAll(" ", "-").trim().toLowerCase()
 sanitizedTitle = sanitizedTitle.replaceAll(".", "")
 sanitizedTitle = sanitizedTitle.replaceAll("`", "")
 sanitizedTitle = sanitizedTitle.replaceAll(":", "")