diff --git a/addons/website_slides/static/src/js/slides_course_fullscreen_player.js b/addons/website_slides/static/src/js/slides_course_fullscreen_player.js
index 47e5700da31..250e78e3421 100644
--- a/addons/website_slides/static/src/js/slides_course_fullscreen_player.js
+++ b/addons/website_slides/static/src/js/slides_course_fullscreen_player.js
@@ -257,10 +257,12 @@ odoo.define('website_slides.fullscreen', function (require) {
         _onClickTab: function (ev) {
             ev.stopPropagation();
             var $elem = $(ev.currentTarget);
-            var isQuiz = $elem.data('isQuiz');
-            var slideID = parseInt($elem.data('id'));
-            var slide = findSlide(this.slideEntries, {id: slideID, isQuiz: isQuiz});
-            this.set('slideEntry', slide);
+            if ($elem.data('canAccess') === 'True') {
+                var isQuiz = $elem.data('isQuiz');
+                var slideID = parseInt($elem.data('id'));
+                var slide = findSlide(this.slideEntries, {id: slideID, isQuiz: isQuiz});
+                this.set('slideEntry', slide);
+            }
         },
         /**
          * Actively changes the active tab in the sidebar so that it corresponds
@@ -710,7 +712,7 @@ odoo.define('website_slides.fullscreen', function (require) {
          * Creates slides objects from every slide-list-cells attributes
          */
         _getSlides: function (){
-            var $slides = this.$('.o_wslides_fs_sidebar_list_item');
+            var $slides = this.$('.o_wslides_fs_sidebar_list_item[data-can-access="True"]');
             var slideList = [];
             $slides.each(function () {
                 var slideData = $(this).data();
diff --git a/addons/website_slides/views/website_slides_templates_lesson.xml b/addons/website_slides/views/website_slides_templates_lesson.xml
index 9f567b5cc29..2f69d729d8b 100644
--- a/addons/website_slides/views/website_slides_templates_lesson.xml
+++ b/addons/website_slides/views/website_slides_templates_lesson.xml
@@ -137,10 +137,13 @@
         </a>
         <ul class="collapse show p-0 m-0 list-unstyled" t-att-id="('collapse-%s') % (category.id if category else 0)" >
             <t t-foreach="category_slide_ids" t-as="aside_slide">
+                <t t-set="slide_completed" t-value="channel_progress[aside_slide.id].get('completed')"/>
+                <t t-set="is_member" t-value="aside_slide.channel_id.is_member"/>
+                <t t-set="can_access" t-value="aside_slide.is_preview or is_member or aside_slide.channel_id.can_publish"/>
                 <li class="p-0 pb-1">
-                    <a t-att-href="'/slides/slide/%s' % (slug(aside_slide))"
-                        t-att-class="'o_wslides_lesson_aside_list_link d-flex align-items-top px-2 pt-1 text-decoration-none %s' % ('bg-100 py-1 active' if aside_slide == slide else '')">
-                        <div t-if="aside_slide.channel_id.is_member" >
+                    <a t-att-href="'/slides/slide/%s' % (slug(aside_slide)) if can_access else '#'"
+                        t-att-class="'o_wslides_lesson_aside_list_link d-flex align-items-top px-2 pt-1 text-decoration-none %s%s' % (('bg-100 py-1 active' if aside_slide == slide else ''), 'text-muted' if not can_access else '')">
+                        <div t-if="is_member" >
                             <i t-att-id="'o_wslides_lesson_aside_slide_check_%s' % (aside_slide.id)"
                                 t-att-class="'mr-1 fa fa-fw %s' % ('text-success fa-check-circle' if channel_progress[aside_slide.id].get('completed') else 'text-600 fa-circle-o')">
                             </i>
@@ -160,15 +163,22 @@
                     <ul t-if="aside_slide.link_ids or aside_slide.question_ids" class="list-group px-2 mb-1 list-unstyled">
                         <t t-foreach="aside_slide.link_ids" t-as="resource">
                             <li class="pl-4">
-                                <a t-attf-href="#{resource.link}" target="new" class="text-decoration-none small">
+                                <a t-if="can_access" t-att-href="resource.link" target="new" class="text-decoration-none small">
                                     <i class="fa fa-link mr-1"/><span t-field="resource.name"/>
                                 </a>
+                                <span t-else="" class="text-decoration-none text-muted small">
+                                    <i class="fa fa-link mr-1"/><span t-field="resource.name"/>
+                                </span>
                             </li>
                         </t>
                         <li class="pl-4">
-                            <a t-if="aside_slide.question_ids and aside_slide.slide_type != 'quiz'" t-att-href="'/slides/slide/%s#lessonQuiz' % (slug(aside_slide))" class="o_wslides_lesson_aside_list_link text-decoration-none small text-600">
+                            <a t-if="can_access and aside_slide.question_ids and aside_slide.slide_type != 'quiz'" t-att-href="'/slides/slide/%s#lessonQuiz' % (slug(aside_slide))" class="o_wslides_lesson_aside_list_link text-decoration-none small text-600">
                                 <i class="fa fa-flag text-warning"/> Quiz
                             </a>
+                            <span t-elif="not can_access and aside_slide.question_ids and aside_slide.slide_type != 'quiz'"
+                                class="o_wslides_lesson_aside_list_link text-decoration-none small text-600 text-muted">
+                                <i class="fa fa-flag text-warning"/> Quiz
+                            </span>
                         </li>
                     </ul>
                 </li>
diff --git a/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml b/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
index cbaacc47cbc..01bb367c9ed 100644
--- a/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
+++ b/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
@@ -82,8 +82,10 @@
             <t t-foreach="slides" t-as="slide">
                 <t t-set="slide_completed" t-value="channel_progress[slide.id].get('completed')"/>
                 <t t-set="is_member" t-value="slide.channel_id.is_member"/>
+                <t t-set="can_access" t-value="slide.is_preview or is_member or slide.channel_id.can_publish"/>
                 <li t-att-class="'o_wslides_fs_sidebar_list_item d-flex align-items-top py-1 %s' % ('active' if slide.id == current_slide.id else '')"
                     t-att-data-id="slide.id"
+                    t-att-data-can-access="can_access"
                     t-att-data-name="slide.name"
                     t-att-data-type="slide.slide_type"
                     t-att-data-slug="slug(slide)"
@@ -98,20 +100,30 @@
                         <i t-if="not slide_completed and is_member" class="fa fa-circle-thin fa-fw" t-att-data-slide-id="slide.id"/>
                     </span>
                     <div class="ml-2">
-                        <a class="d-block pt-1" href="#">
+                        <a t-if="can_access" class="d-block pt-1" href="#">
                             <div class="d-flex ">
                                 <t t-call="website_slides.slide_icon"/>
                                 <div class="o_wslides_fs_slide_name" t-esc="slide.name"/>
                             </div>
                         </a>
+                        <span t-else="" class="d-block pt-1" href="#">
+                            <div class="d-flex ">
+                                <t t-call="website_slides.slide_icon"/>
+                                <div class="o_wslides_fs_slide_name  text-muted" t-esc="slide.name"/>
+                            </div>
+                        </span>
                         <ul class="list-unstyled w-100 pt-2 small" t-if="slide.link_ids or (slide.question_ids and not slide.slide_type =='quiz')" >
                             <li t-if="slide.link_ids" t-foreach="slide.link_ids" t-as="link" class="pl-0 mb-1">
-                                <a class="o_wslides_fs_slide_link" t-att-href="link.link" target="_blank">
+                                <a t-if="can_access" class="o_wslides_fs_slide_link" t-att-href="link.link" target="_blank">
                                     <i class="fa fa-link mr-2"/><span t-esc="link.name"/>
                                 </a>
+                                <span t-else="" class="o_wslides_fs_slide_link text-muted">
+                                    <i class="fa fa-link mr-2"/><span t-esc="link.name"/>
+                                </span>
                             </li>
                             <li class="o_wslides_fs_sidebar_list_item pl-0 mb-1" t-if="slide.question_ids and not slide.slide_type == 'quiz'"
                                 t-att-data-id="slide.id"
+                                t-att-data-can-access="can_access"
                                 t-att-data-name="slide.name"
                                 t-att-data-type="slide.slide_type"
                                 t-att-data-slug="slug(slide)"
@@ -119,9 +131,12 @@
                                 t-att-data-is-quiz="1"
                                 t-att-data-completed="1 if slide_completed else 0"
                                 t-att-data-readonly="not is_member">
-                                <a class="o_wslides_fs_slide_quiz" href="#" t-att-index="i">
+                                <a t-if="can_access" class="o_wslides_fs_slide_quiz" href="#" t-att-index="i">
                                     <i class="fa fa-flag-checkered text-warning mr-2"/>Quiz
                                 </a>
+                                <span t-else="" class="text-muted">
+                                    <i class="fa fa-flag-checkered text-warning mr-2"/>Quiz
+                                </span>
                             </li>
                         </ul>
                     </div>