diff --git a/README.md b/README.md
index 65d8aa5827..0eecb55367 100644
--- a/README.md
+++ b/README.md
@@ -940,19 +940,21 @@ Make chapter entries for, or remove various segments (sponsor,
 
     --sponsorblock-mark CATS         SponsorBlock categories to create chapters
                                      for, separated by commas. Available
-                                     categories are all, sponsor, intro, outro,
-                                     selfpromo, interaction, preview,
-                                     music_offtopic. You can prefix the category
-                                     with a "-" to exempt it. See 
-                                     https://wiki.sponsor.ajay.app/index.php/Segment_Categories
-                                     for description of the categories. Eg:
-                                     --sponsorblock-query all,-preview
+                                     categories are all, default(=all), sponsor,
+                                     intro, outro, selfpromo, preview, filler,
+                                     interaction, music_offtopic, poi_highlight.
+                                     You can prefix the category with a "-" to
+                                     exempt it. See [1] for description of the
+                                     categories. Eg: --sponsorblock-mark all,-preview
+                                     [1] https://wiki.sponsor.ajay.app/w/Segment_Categories
     --sponsorblock-remove CATS       SponsorBlock categories to be removed from
                                      the video file, separated by commas. If a
                                      category is present in both mark and
                                      remove, remove takes precedence. The syntax
                                      and available categories are the same as
-                                     for --sponsorblock-mark
+                                     for --sponsorblock-mark except that
+                                     "default" refers to "all,-filler" and
+                                     poi_highlight is not available
     --sponsorblock-chapter-title TEMPLATE
                                      The title template for SponsorBlock
                                      chapters created by --sponsorblock-mark.
diff --git a/test/test_postprocessors.py b/test/test_postprocessors.py
index 090c7b47b0..bbe998993f 100644
--- a/test/test_postprocessors.py
+++ b/test/test_postprocessors.py
@@ -124,11 +124,11 @@ class TestModifyChaptersPP(unittest.TestCase):
         chapters = self._chapters([70], ['c']) + [
             self._sponsor_chapter(10, 20, 'sponsor'),
             self._sponsor_chapter(30, 40, 'preview'),
-            self._sponsor_chapter(50, 60, 'sponsor')]
+            self._sponsor_chapter(50, 60, 'filler')]
         expected = self._chapters(
             [10, 20, 30, 40, 50, 60, 70],
             ['c', '[SponsorBlock]: Sponsor', 'c', '[SponsorBlock]: Preview/Recap',
-             'c', '[SponsorBlock]: Sponsor', 'c'])
+             'c', '[SponsorBlock]: Filler Tangent', 'c'])
         self._remove_marked_arrange_sponsors_test_impl(chapters, expected, [])
 
     def test_remove_marked_arrange_sponsors_UniqueNamesForOverlappingSponsors(self):
diff --git a/yt_dlp/options.py b/yt_dlp/options.py
index bb421e0f81..82088638bc 100644
--- a/yt_dlp/options.py
+++ b/yt_dlp/options.py
@@ -1465,20 +1465,29 @@ def parseOpts(overrideArguments=None):
     sponsorblock.add_option(
         '--sponsorblock-mark', metavar='CATS',
         dest='sponsorblock_mark', default=set(), action='callback', type='str',
-        callback=_set_from_options_callback, callback_kwargs={'allowed_values': SponsorBlockPP.CATEGORIES.keys()},
-        help=(
+        callback=_set_from_options_callback, callback_kwargs={
+            'allowed_values': SponsorBlockPP.CATEGORIES.keys(),
+            'aliases': {'default': ['all']}
+        }, help=(
             'SponsorBlock categories to create chapters for, separated by commas. '
-            'Available categories are all, %s. You can prefix the category with a "-" to exempt it. '
-            'See https://wiki.sponsor.ajay.app/index.php/Segment_Categories for description of the categories. '
-            'Eg: --sponsorblock-mark all,-preview' % ', '.join(SponsorBlockPP.CATEGORIES.keys())))
+            f'Available categories are all, default(=all), {", ".join(SponsorBlockPP.CATEGORIES.keys())}. '
+            'You can prefix the category with a "-" to exempt it. See [1] for description of the categories. '
+            'Eg: --sponsorblock-mark all,-preview [1] https://wiki.sponsor.ajay.app/w/Segment_Categories'))
     sponsorblock.add_option(
         '--sponsorblock-remove', metavar='CATS',
         dest='sponsorblock_remove', default=set(), action='callback', type='str',
-        callback=_set_from_options_callback, callback_kwargs={'allowed_values': SponsorBlockPP.CATEGORIES.keys()},
-        help=(
+        callback=_set_from_options_callback, callback_kwargs={
+            'allowed_values': set(SponsorBlockPP.CATEGORIES.keys()) - set(SponsorBlockPP.POI_CATEGORIES.keys()),
+            # Note: From https://wiki.sponsor.ajay.app/w/Types:
+            # The filler category is very aggressive.
+            # It is strongly recommended to not use this in a client by default.
+            'aliases': {'default': ['all', '-filler']}
+        }, help=(
             'SponsorBlock categories to be removed from the video file, separated by commas. '
             'If a category is present in both mark and remove, remove takes precedence. '
-            'The syntax and available categories are the same as for --sponsorblock-mark'))
+            'The syntax and available categories are the same as for --sponsorblock-mark '
+            'except that "default" refers to "all,-filler" '
+            f'and {", ".join(SponsorBlockPP.POI_CATEGORIES.keys())} is not available'))
     sponsorblock.add_option(
         '--sponsorblock-chapter-title', metavar='TEMPLATE',
         default=DEFAULT_SPONSORBLOCK_CHAPTER_TITLE, dest='sponsorblock_chapter_title',
diff --git a/yt_dlp/postprocessor/modify_chapters.py b/yt_dlp/postprocessor/modify_chapters.py
index 0728bdcf55..91433c364b 100644
--- a/yt_dlp/postprocessor/modify_chapters.py
+++ b/yt_dlp/postprocessor/modify_chapters.py
@@ -24,7 +24,7 @@ class ModifyChaptersPP(FFmpegPostProcessor):
                  *, sponsorblock_chapter_title=DEFAULT_SPONSORBLOCK_CHAPTER_TITLE, force_keyframes=False):
         FFmpegPostProcessor.__init__(self, downloader)
         self._remove_chapters_patterns = set(remove_chapters_patterns or [])
-        self._remove_sponsor_segments = set(remove_sponsor_segments or [])
+        self._remove_sponsor_segments = set(remove_sponsor_segments or []) - set(SponsorBlockPP.POI_CATEGORIES.keys())
         self._ranges_to_remove = set(remove_ranges or [])
         self._sponsorblock_chapter_title = sponsorblock_chapter_title
         self._force_keyframes = force_keyframes
@@ -302,7 +302,7 @@ class ModifyChaptersPP(FFmpegPostProcessor):
                     'name': SponsorBlockPP.CATEGORIES[category],
                     'category_names': [SponsorBlockPP.CATEGORIES[c] for c in cats]
                 })
-                c['title'] = self._downloader.evaluate_outtmpl(self._sponsorblock_chapter_title, c)
+                c['title'] = self._downloader.evaluate_outtmpl(self._sponsorblock_chapter_title, c.copy())
                 # Merge identically named sponsors.
                 if (new_chapters and 'categories' in new_chapters[-1]
                         and new_chapters[-1]['title'] == c['title']):
diff --git a/yt_dlp/postprocessor/sponsorblock.py b/yt_dlp/postprocessor/sponsorblock.py
index 70c5462d14..cd48b15ae6 100644
--- a/yt_dlp/postprocessor/sponsorblock.py
+++ b/yt_dlp/postprocessor/sponsorblock.py
@@ -10,18 +10,23 @@ from ..utils import PostProcessingError, network_exceptions, sanitized_Request
 
 
 class SponsorBlockPP(FFmpegPostProcessor):
-
+    # https://wiki.sponsor.ajay.app/w/Types
     EXTRACTORS = {
         'Youtube': 'YouTube',
     }
+    POI_CATEGORIES = {
+        'poi_highlight': 'Highlight',
+    }
     CATEGORIES = {
         'sponsor': 'Sponsor',
         'intro': 'Intermission/Intro Animation',
         'outro': 'Endcards/Credits',
         'selfpromo': 'Unpaid/Self Promotion',
-        'interaction': 'Interaction Reminder',
         'preview': 'Preview/Recap',
-        'music_offtopic': 'Non-Music Section'
+        'filler': 'Filler Tangent',
+        'interaction': 'Interaction Reminder',
+        'music_offtopic': 'Non-Music Section',
+        **POI_CATEGORIES,
     }
 
     def __init__(self, downloader, categories=None, api='https://sponsor.ajay.app'):
@@ -47,6 +52,9 @@ class SponsorBlockPP(FFmpegPostProcessor):
             # Ignore milliseconds difference at the start.
             if start_end[0] <= 1:
                 start_end[0] = 0
+            # Make POI chapters 1 sec so that we can properly mark them
+            if s['category'] in self.POI_CATEGORIES.keys():
+                start_end[1] += 1
             # Ignore milliseconds difference at the end.
             # Never allow the segment to exceed the video.
             if duration and duration - start_end[1] <= 1: