diff --git a/youtube_dl/extractor/rtp.py b/youtube_dl/extractor/rtp.py
index 02986f442..2e6329755 100644
--- a/youtube_dl/extractor/rtp.py
+++ b/youtube_dl/extractor/rtp.py
@@ -3,25 +3,38 @@ from __future__ import unicode_literals
 
 from .common import InfoExtractor
 from ..utils import (
+    ExtractorError,
     determine_ext,
     js_to_json,
 )
+from ..compat import (
+    compat_b64decode,
+    compat_urllib_parse_unquote,
+)
+
+import re
+
+
+def decode_b64_url(code):
+    decoded_url = re.match(r"[^[]*\[([^]]*)\]", code).groups()[0]
+    return compat_b64decode(
+        compat_urllib_parse_unquote(
+            decoded_url.replace('"', '').replace('\'', '').replace(',', ''))).decode('utf-8')
 
 
 class RTPIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?rtp\.pt/play/p(?P<program_id>[0-9]+)/(?P<id>[^/?#]+)/?'
+    _VALID_URL = r'https?://(?:(?:(?:www\.)?rtp\.pt/play/(?P<subarea>.*/)?p(?P<program_id>[0-9]+)/(?P<episode_id>e[0-9]+/)?)|(?:arquivos\.rtp\.pt/conteudos/))(?P<id>[^/?#]+)/?'
     _TESTS = [{
-        'url': 'http://www.rtp.pt/play/p405/e174042/paixoes-cruzadas',
-        'md5': 'e736ce0c665e459ddb818546220b4ef8',
+        'url': 'https://www.rtp.pt/play/p9165/e562949/por-do-sol',
         'info_dict': {
-            'id': 'e174042',
-            'ext': 'mp3',
-            'title': 'Paixões Cruzadas',
-            'description': 'As paixões musicais de António Cartaxo e António Macedo',
+            'id': 'por-do-sol',
+            'ext': 'mp4',
+            'title': 'Pôr do Sol Episódio 1 - de 16 Ago 2021',
+            'description': 'Madalena Bourbon de Linhaça vive atormentada pelo segredo que esconde desde 1990. Matilde Bourbon de Linhaça sonha fugir com o seu amor proibido. O en',
             'thumbnail': r're:^https?://.*\.jpg',
         },
     }, {
-        'url': 'http://www.rtp.pt/play/p831/a-quimica-das-coisas',
+        'url': 'https://www.rtp.pt/play/p510/aleixo-fm',
         'only_matching': True,
     }]
 
@@ -29,30 +42,61 @@ class RTPIE(InfoExtractor):
         video_id = self._match_id(url)
 
         webpage = self._download_webpage(url, video_id)
-        title = self._html_search_meta(
-            'twitter:title', webpage, display_name='title', fatal=True)
 
-        config = self._parse_json(self._search_regex(
-            r'(?s)RTPPlayer\(({.+?})\);', webpage,
-            'player config'), video_id, js_to_json)
-        file_url = config['file']
-        ext = determine_ext(file_url)
-        if ext == 'm3u8':
-            file_key = config.get('fileKey')
-            formats = self._extract_m3u8_formats(
-                file_url, video_id, 'mp4', 'm3u8_native',
-                m3u8_id='hls', fatal=file_key)
-            if file_key:
-                formats.append({
-                    'url': 'https://cdn-ondemand.rtp.pt' + file_key,
-                    'preference': 1,
-                })
+        # Remove JS multi-line comments from webpage source
+        webpage = re.sub(r'(\/\*.*\*\/)', '', webpage, flags=re.DOTALL)
+
+        title = self._html_search_regex(r'<title>(.+?)</title>', webpage, 'title')
+
+        # Replace irrelevant text in title
+        title = title.replace(' - RTP Play - RTP', '')
+
+        # Check if it's a video split in parts, if so add part number to title
+        part = self._html_search_regex(r'section\-parts.*<span.*>(.+?)</span>.*</ul>', webpage, 'part', default=None)
+        if part:
+            title = f'{title} {part}'
+
+        # Get JS object
+        js_object = self._search_regex(r'(?s)RTPPlayer *\( *({.+?}) *\);', webpage, 'player config')
+        json_string_for_config = ''
+        full_url = None
+
+        # Verify JS object since it isn't pure JSON and maybe it needs some tuning
+        for line in js_object.splitlines():
+            stripped_line = line.strip()
+
+            # key == 'fileKey', then we found what we wanted
+            if re.match(r'fileKey:', stripped_line):
+                if re.match(r'fileKey: *""', stripped_line):
+                    raise ExtractorError("Episode not found (probably removed)", expected=True)
+                url = decode_b64_url(stripped_line)
+                if 'mp3' in url:
+                    full_url = 'https://cdn-ondemand.rtp.pt' + url
+                else:
+                    full_url = 'https://streaming-vod.rtp.pt/dash{}/manifest.mpd'.format(url)
+
+            elif not stripped_line.startswith("//") and not re.match('file *:', stripped_line) and not re.match('.*extraSettings ?:', stripped_line):
+                # Ignore commented lines, `extraSettings` and `f`. The latter seems to some random unrelated video.
+                json_string_for_config += '\n' + line
+
+        if not full_url:
+            raise ExtractorError("No valid media source found in page")
+
+        # Finally send pure JSON string for JSON parsing
+        config = self._parse_json(json_string_for_config, video_id, js_to_json)
+        full_url = full_url.replace('drm-dash', 'dash')
+        ext = determine_ext(full_url)
+
+        if ext == 'mpd':
+            # Download via mpd file
+            formats = self._extract_mpd_formats(full_url, video_id)
             self._sort_formats(formats)
         else:
             formats = [{
-                'url': file_url,
+                'url': full_url,
                 'ext': ext,
             }]
+
         if config.get('mediaType') == 'audio':
             for f in formats:
                 f['vcodec'] = 'none'