diff --git a/yt_dlp/extractor/magellantv.py b/yt_dlp/extractor/magellantv.py
index 0d38bdf1b..cab63d19e 100644
--- a/yt_dlp/extractor/magellantv.py
+++ b/yt_dlp/extractor/magellantv.py
@@ -49,7 +49,7 @@ def _real_extract(self, url):
             (('video', 'detail'), ('series', 'currentEpisode')), {dict}), get_all=False)
         formats = []
         subtitles = {}
-        for url in traverse_obj(data, ((('manifests', ..., 'hls'), 'jwp_video_url'), {url_or_none})):
+        for url in set(traverse_obj(data, ((('manifests', ..., 'hls'), 'jwp_video_url'), {url_or_none}))):
             fmts, subs = self._extract_m3u8_formats_and_subtitles(
                 url, video_id, 'mp4', m3u8_id='hls', fatal=False)
             formats.extend(fmts)