diff --git a/yt_dlp/extractor/extractors.py b/yt_dlp/extractor/extractors.py
index bd0da2c38..4a06ec578 100644
--- a/yt_dlp/extractor/extractors.py
+++ b/yt_dlp/extractor/extractors.py
@@ -1159,6 +1159,10 @@ from .radiode import RadioDeIE
 from .radiojavan import RadioJavanIE
 from .radiobremen import RadioBremenIE
 from .radiofrance import RadioFranceIE
+from .radiokapital import (
+    RadioKapitalIE,
+    RadioKapitalShowIE,
+)
 from .radlive import (
     RadLiveIE,
     RadLiveChannelIE,
diff --git a/yt_dlp/extractor/radiokapital.py b/yt_dlp/extractor/radiokapital.py
new file mode 100644
index 000000000..2e93e034f
--- /dev/null
+++ b/yt_dlp/extractor/radiokapital.py
@@ -0,0 +1,99 @@
+# coding: utf-8
+
+from .common import InfoExtractor
+from ..utils import (
+    clean_html,
+    traverse_obj,
+    unescapeHTML,
+)
+
+import itertools
+from urllib.parse import urlencode
+
+
+class RadioKapitalBaseIE(InfoExtractor):
+    def _call_api(self, resource, video_id, note='Downloading JSON metadata', qs={}):
+        return self._download_json(
+            f'https://www.radiokapital.pl/wp-json/kapital/v1/{resource}?{urlencode(qs)}',
+            video_id, note=note)
+
+    def _parse_episode(self, data):
+        release = '%s%s%s' % (data['published'][6:11], data['published'][3:6], data['published'][:3])
+        return {
+            '_type': 'url_transparent',
+            'url': data['mixcloud_url'],
+            'ie_key': 'Mixcloud',
+            'title': unescapeHTML(data['title']),
+            'description': clean_html(data.get('content')),
+            'tags': traverse_obj(data, ('tags', ..., 'name')),
+            'release_date': release,
+            'series': traverse_obj(data, ('show', 'title')),
+        }
+
+
+class RadioKapitalIE(RadioKapitalBaseIE):
+    IE_NAME = 'radiokapital'
+    _VALID_URL = r'https?://(?:www\.)?radiokapital\.pl/shows/[a-z\d-]+/(?P<id>[a-z\d-]+)'
+
+    _TESTS = [{
+        'url': 'https://radiokapital.pl/shows/tutaj-sa-smoki/5-its-okay-to-be-immaterial',
+        'info_dict': {
+            'id': 'radiokapital_radio-kapitał-tutaj-są-smoki-5-its-okay-to-be-immaterial-2021-05-20',
+            'ext': 'm4a',
+            'title': '#5: It’s okay to\xa0be\xa0immaterial',
+            'description': 'md5:2499da5fbfb0e88333b7d37ec8e9e4c4',
+            'uploader': 'Radio Kapitał',
+            'uploader_id': 'radiokapital',
+            'timestamp': 1621640164,
+            'upload_date': '20210521',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        episode = self._call_api('episodes/%s' % video_id, video_id)
+        return self._parse_episode(episode)
+
+
+class RadioKapitalShowIE(RadioKapitalBaseIE):
+    IE_NAME = 'radiokapital:show'
+    _VALID_URL = r'https?://(?:www\.)?radiokapital\.pl/shows/(?P<id>[a-z\d-]+)/?(?:$|[?#])'
+
+    _TESTS = [{
+        'url': 'https://radiokapital.pl/shows/wesz',
+        'info_dict': {
+            'id': '100',
+            'title': 'WĘSZ',
+            'description': 'md5:3a557a1e0f31af612b0dcc85b1e0ca5c',
+        },
+        'playlist_mincount': 17,
+    }]
+
+    def _get_episode_list(self, series_id, page_no):
+        return self._call_api(
+            'episodes', series_id,
+            f'Downloading episode list page #{page_no}', qs={
+                'show': series_id,
+                'page': page_no,
+            })
+
+    def _entries(self, series_id):
+        for page_no in itertools.count(1):
+            episode_list = self._get_episode_list(series_id, page_no)
+            yield from (self._parse_episode(ep) for ep in episode_list['items'])
+            if episode_list['next'] is None:
+                break
+
+    def _real_extract(self, url):
+        series_id = self._match_id(url)
+
+        show = self._call_api(f'shows/{series_id}', series_id, 'Downloading show metadata')
+        entries = self._entries(series_id)
+        return {
+            '_type': 'playlist',
+            'entries': entries,
+            'id': str(show['id']),
+            'title': show.get('title'),
+            'description': clean_html(show.get('content')),
+        }