diff --git a/yt_dlp/extractor/extractors.py b/yt_dlp/extractor/extractors.py
index 106006671..89c61312d 100644
--- a/yt_dlp/extractor/extractors.py
+++ b/yt_dlp/extractor/extractors.py
@@ -1235,6 +1235,7 @@ from .rtl2 import (
     RTL2YouSeriesIE,
 )
 from .rtp import RTPIE
+from .rtrfm import RTRFMIE
 from .rts import RTSIE
 from .rtve import RTVEALaCartaIE, RTVELiveIE, RTVEInfantilIE, RTVELiveIE, RTVETelevisionIE
 from .rtvnh import RTVNHIE
diff --git a/yt_dlp/extractor/rtrfm.py b/yt_dlp/extractor/rtrfm.py
new file mode 100644
index 000000000..93d51e8ed
--- /dev/null
+++ b/yt_dlp/extractor/rtrfm.py
@@ -0,0 +1,67 @@
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+
+
+class RTRFMIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?rtrfm\.com\.au/(?:shows|show-episode)/(?P<id>[^/?\#&]+)'
+    _TESTS = [
+        {
+            'url': 'https://rtrfm.com.au/shows/breakfast/',
+            'md5': '46168394d3a5ce237cf47e85d0745413',
+            'info_dict': {
+                'id': 'breakfast-2021-11-16',
+                'ext': 'mp3',
+                'series': 'Breakfast with Taylah',
+                'title': r're:^Breakfast with Taylah \d{4}-\d{2}-\d{2}$',
+                'description': 'md5:0979c3ab1febfbec3f1ccb743633c611',
+            },
+            'skip': 'ID and md5 changes daily',
+        },
+        {
+            'url': 'https://rtrfm.com.au/show-episode/breakfast-2021-11-11/',
+            'md5': '396bedf1e40f96c62b30d4999202a790',
+            'info_dict': {
+                'id': 'breakfast-2021-11-11',
+                'ext': 'mp3',
+                'series': 'Breakfast with Taylah',
+                'title': 'Breakfast with Taylah 2021-11-11',
+                'description': 'md5:0979c3ab1febfbec3f1ccb743633c611',
+            },
+        },
+        {
+            'url': 'https://rtrfm.com.au/show-episode/breakfast-2020-06-01/',
+            'md5': '594027f513ec36a24b15d65007a24dff',
+            'info_dict': {
+                'id': 'breakfast-2020-06-01',
+                'ext': 'mp3',
+                'series': 'Breakfast with Taylah',
+                'title': 'Breakfast with Taylah 2020-06-01',
+                'description': r're:^Breakfast with Taylah ',
+            },
+            'skip': 'This audio has expired',
+        },
+    ]
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        webpage = self._download_webpage(url, display_id)
+        show, date, title = self._search_regex(
+            r'''\.playShow(?:From)?\(['"](?P<show>[^'"]+)['"],\s*['"](?P<date>[0-9]{4}-[0-9]{2}-[0-9]{2})['"],\s*['"](?P<title>[^'"]+)['"]''',
+            webpage, 'details', group=('show', 'date', 'title'))
+        url = self._download_json(
+            'https://restreams.rtrfm.com.au/rzz',
+            show, 'Downloading MP3 URL', query={'n': show, 'd': date})['u']
+        # This is the only indicator of an error until trying to download the URL and
+        # downloads of mp4 URLs always fail (403 for current episodes, 404 for missing).
+        if '.mp4' in url:
+            url = None
+            self.raise_no_formats('Expired or no episode on this date', expected=True)
+        return {
+            'id': '%s-%s' % (show, date),
+            'title': '%s %s' % (title, date),
+            'series': title,
+            'url': url,
+            'release_date': date,
+            'description': self._og_search_description(webpage),
+        }