diff --git a/config/sync/dpl_event.settings.yml b/config/sync/dpl_event.settings.yml
index 63541ed49..3b61ae667 100644
--- a/config/sync/dpl_event.settings.yml
+++ b/config/sync/dpl_event.settings.yml
@@ -1,2 +1,4 @@
-unpublish_schedule: 0
+unpublish_schedule: '21600'
 price_currency: DKK
+unpublish_enable: 1
+unpublish_series_enable: 0
diff --git a/config/sync/views.view.events.yml b/config/sync/views.view.events.yml
index fc06ebc12..385282804 100644
--- a/config/sync/views.view.events.yml
+++ b/config/sync/views.view.events.yml
@@ -161,8 +161,12 @@ display:
         options:
           perm: 'access content'
       cache:
-        type: none
-        options: {  }
+        type: search_api_time
+        options:
+          results_lifespan: 3600
+          results_lifespan_custom: 0
+          output_lifespan: 3600
+          output_lifespan_custom: 0
       empty:
         area:
           id: area
@@ -377,5 +381,7 @@ display:
         - url.query_args
         - user.permissions
       tags:
+        - 'config:facets.facet.branch'
+        - 'config:facets.facet.event_categories'
         - 'config:search_api.index.events'
         - 'search_api_list:events'
diff --git a/web/modules/custom/dpl_admin/assets/dpl_admin.css b/web/modules/custom/dpl_admin/assets/dpl_admin.css
index 43645637d..a8bc60625 100644
--- a/web/modules/custom/dpl_admin/assets/dpl_admin.css
+++ b/web/modules/custom/dpl_admin/assets/dpl_admin.css
@@ -198,3 +198,12 @@
 body:has(.eventseries-form--confirm) .form-actions {
   display: none;
 }
+
+/**
+  A very simple element, used in Drupal forms when displaying warnings.
+ */
+.dpl-form-warning {
+  color: #d80404;
+  font-weight: bold;
+  max-width: 500px;
+}
diff --git a/web/modules/custom/dpl_event/dpl_event.install b/web/modules/custom/dpl_event/dpl_event.install
index 2917df63b..c68ec473d 100644
--- a/web/modules/custom/dpl_event/dpl_event.install
+++ b/web/modules/custom/dpl_event/dpl_event.install
@@ -6,6 +6,8 @@
  */
 
 use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\dpl_event\Form\SettingsForm;
+use Drupal\dpl_event\Workflows\UnpublishSchedule;
 use Drupal\drupal_typed\DrupalTyped;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field\Entity\FieldStorageConfig;
@@ -18,6 +20,7 @@ use Drupal\locale\StringDatabaseStorage;
 function dpl_event_install(): void {
   _dpl_event_create_mock_title();
   _dpl_event_add_weekday_translations();
+  _dpl_event_set_scheduler_settings();
 }
 
 /**
@@ -67,6 +70,45 @@ function dpl_event_update_10004(): string {
   return _dpl_event_add_weekday_translations();
 }
 
+/**
+ * Set default values of event-unpublishing-schedule settings, and re-schedule.
+ */
+function dpl_event_update_10005(): string {
+  return _dpl_event_set_scheduler_settings();
+}
+
+/**
+ * Set default values of event-unpublishing-schedule settings, and re-schedule.
+ */
+function _dpl_event_set_scheduler_settings(): string {
+  $config_name = SettingsForm::CONFIG_NAME;
+
+  $config = \Drupal::configFactory()->getEditable($config_name);
+
+  $existing_schedule = $config->get('unpublish_schedule');
+
+  // If we have no existing schedule set, set it as default to 6 hours.
+  $schedule_time = !empty($existing_schedule) ? $existing_schedule : 21600;
+
+  // If no schedule is set already, we'll disable the setting.
+  $unpublish_enable = ($existing_schedule != 0);
+
+  $config->set('unpublish_schedule', $schedule_time);
+  $config->set('unpublish_enable', $unpublish_enable);
+
+  // This was originally enabled for all sites, but as we no longer recommend
+  // it, we'll set the default to false.
+  // The libraries will be informed of this in the changelog.
+  $config->set('unpublish_series_enable', FALSE);
+
+  $config->save();
+
+  $unpublish_scheduler = DrupalTyped::service(UnpublishSchedule::class, 'dpl_event.unpublish_schedule');
+  $count = $unpublish_scheduler->rescheduleAll();
+
+  return "Enabled new unpublishing settings. $count events has been rescheduled.";
+}
+
 /**
  * Add a mock title field to eventinstance, to fix entity reference fields.
  *
diff --git a/web/modules/custom/dpl_event/src/EventSubscriber/EventSeriesRedirect.php b/web/modules/custom/dpl_event/src/EventSubscriber/EventSeriesRedirect.php
index 09da17ed2..8487e297d 100644
--- a/web/modules/custom/dpl_event/src/EventSubscriber/EventSeriesRedirect.php
+++ b/web/modules/custom/dpl_event/src/EventSubscriber/EventSeriesRedirect.php
@@ -12,7 +12,12 @@
 use Symfony\Component\HttpKernel\KernelEvents;
 
 /**
- * Redirects requests for single instance event series to that instance.
+ * Redirect to AND from eventseries, depending on the situation.
+ *
+ * - If accessing an eventseries with a single active instance, redirect to
+ *   that instance
+ * - If failing to access an unpublished eventinstance, redirect to the
+ *   parent series.
  *
  * @package Drupal\dpl_event\EventSubscriber
  */
@@ -31,7 +36,14 @@ public function __construct(
    */
   public static function getSubscribedEvents(): array {
     return [
-      KernelEvents::REQUEST => 'checkEventSeriesRedirect',
+      KernelEvents::REQUEST => [
+        ['checkEventSeriesRedirect'],
+      ],
+      // Only target users that end up on an unpublished eventinstance page,
+      // without being allowed to see it.
+      KernelEvents::EXCEPTION => [
+        ['checkEventInstanceRedirect'],
+      ],
     ];
   }
 
@@ -47,7 +59,6 @@ public static function getSubscribedEvents(): array {
    *   The request event.
    */
   public function checkEventSeriesRedirect(RequestEvent $event): void {
-
     $request = $event->getRequest();
     $route_name = $request->attributes->get('_route');
     $event_series = $request->attributes->get('eventseries');
@@ -73,4 +84,31 @@ public function checkEventSeriesRedirect(RequestEvent $event): void {
     }
   }
 
+  /**
+   * Redirect unpublished eventinstances to eventseries.
+   *
+   * @param \Symfony\Component\HttpKernel\Event\RequestEvent $event
+   *   The response event.
+   */
+  public function checkEventInstanceRedirect(RequestEvent $event): void {
+    $request = $event->getRequest();
+
+    if ($request->attributes->get('_route') !== 'entity.eventinstance.canonical') {
+      return;
+    }
+
+    $event_instance = $request->attributes->get('eventinstance');
+
+    if (!($event_instance instanceof EventInstance) || $event_instance->isPublished()) {
+      return;
+    }
+
+    // At this stage, we know we're on an unpublished eventinstance.
+    // Look up the eventseries, and redirect to it.
+    $event_series = $event_instance->getEventSeries();
+
+    $response = new RedirectResponse($event_series->toUrl()->toString());
+    $event->setResponse($response);
+  }
+
 }
diff --git a/web/modules/custom/dpl_event/src/Form/SettingsForm.php b/web/modules/custom/dpl_event/src/Form/SettingsForm.php
index 9140c5687..14fe149c1 100644
--- a/web/modules/custom/dpl_event/src/Form/SettingsForm.php
+++ b/web/modules/custom/dpl_event/src/Form/SettingsForm.php
@@ -72,12 +72,21 @@ public function buildForm(array $form, FormStateInterface $form_state): array {
       ],
     ];
 
+    $form['enable_screen_name'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Enable screen names'),
+      '#default_value' => $config->get('enable_screen_name'),
+      '#description' => $this->t('Enable screen names on events. Requires an external system to actually fetch and display the events on real physical screens.'),
+    ];
+
     $form['unpublish'] = [
       '#type' => 'fieldset',
       '#title' => $this->t('Automatic unpublication', [], ['context' => 'DPL event']),
     ];
 
     $period = [
+    // 1 hour
+      3600,
     // 6 hours
       21600,
     // 12 hours
@@ -98,21 +107,66 @@ public function buildForm(array $form, FormStateInterface $form_state): array {
       15552000,
     ];
     $period = array_map([$this->dateFormatter, 'formatInterval'], array_combine($period, $period));
+
+    $form['unpublish']['unpublish_enable'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Unpublish eventinstances when they have occured (recommended)', [], ['context' => 'DPL event']),
+      '#default_value' => $config->get('unpublish_enable'),
+    ];
+
+    $form['unpublish']['unpublish_disable_warning'] = [
+      '#type' => 'container',
+      // js-form-wrapper is important - otherwise, Drupal states will not work.
+      '#prefix' => '<div class="dpl-form-warning js-form-wrapper">',
+      '#markup' => $this->t('Notice - if you do not choose that eventinstances get unpublished, they may show up in automatic and manual lists, across the site.', [], ['context' => 'DPL event']),
+      '#suffix' => '</div>',
+      '#states' => [
+        'visible' => [
+          ':input[name="unpublish_enable"]' => ['checked' => FALSE],
+        ],
+      ],
+    ];
+
     $form['unpublish']['unpublish_schedule'] = [
       '#type' => 'select',
-      '#title' => $this->t('Schedule', [], ['context' => "DPL event"]),
+      '#title' => $this->t('How much time should pass after an eventinstance has occurred before it should be unpublished?', [], ['context' => "DPL event"]),
       '#default_value' => $config->get('unpublish_schedule'),
       '#options' => $period,
-      '#empty_option' => $this->t('Automatic unpublication disabled', [], ['context' => "DPL event"]),
-      '#empty_value' => 0,
-      '#description' => $this->t('How much time should pass after an event has occurred before it should be unpublished automatically.', [], ['context' => "DPL event"]),
+      '#states' => [
+        'visible' => [
+          ':input[name="unpublish_enable"]' => ['checked' => TRUE],
+        ],
+      ],
     ];
 
-    $form['enable_screen_name'] = [
+    $form['unpublish']['unpublish_series_enable'] = [
       '#type' => 'checkbox',
-      '#title' => $this->t('Enable screen names'),
-      '#default_value' => $config->get('enable_screen_name'),
-      '#description' => $this->t('Enable screen names on events. Requires an external system to actually fetch and display the events on real physical screens.'),
+      '#title' => $this->t('Unpublish the series when all instances have occurred (not recommended)', [], ['context' => "DPL event"]),
+      '#default_value' => $config->get('unpublish_series_enable'),
+      // Only display the field when unpublish schedule has a non-0 value.
+      '#states' => [
+        'visible' => [
+          ':input[name="unpublish_enable"]' => ['checked' => TRUE],
+        ],
+      ],
+    ];
+
+    $form['unpublish']['unpublish_series_enable_warning'] = [
+      '#type' => 'container',
+      // js-form-wrapper is important - otherwise, Drupal states will not work.
+      '#prefix' => '<div class="dpl-form-warning js-form-wrapper">',
+      '#markup' => $this->t('Notice - if series get unpublished, old instance links will no longer work. If you however keep the series published, expired instances will redirect to the associated series.', [], ['context' => 'DPL event']),
+      '#suffix' => '</div>',
+      '#states' => [
+        'visible' => [
+          ':input[name="unpublish_enable"]' => ['checked' => TRUE],
+          // PHPCS doesn't understand Drupal's weird way of doing states.
+          // phpcs:disable Squiz.Arrays.ArrayDeclaration.NoKeySpecified
+          'and',
+          // phpcs:enable Squiz.Arrays.ArrayDeclaration.NoKeySpecified
+          ':input[name="unpublish_series_enable"]' => ['checked' => TRUE],
+        ],
+      ],
     ];
 
     return parent::buildForm($form, $form_state);
@@ -124,7 +178,9 @@ public function buildForm(array $form, FormStateInterface $form_state): array {
   public function submitForm(array &$form, FormStateInterface $form_state): void {
     $this->config(self::CONFIG_NAME)
       ->set('price_currency', $form_state->getValue('price_currency'))
+      ->set('unpublish_enable', $form_state->getValue('unpublish_enable'))
       ->set('unpublish_schedule', $form_state->getValue('unpublish_schedule'))
+      ->set('unpublish_series_enable', $form_state->getValue('unpublish_series_enable'))
       ->set('enable_screen_name', $form_state->getValue('enable_screen_name'))
       ->save();
     parent::submitForm($form, $form_state);
diff --git a/web/modules/custom/dpl_event/src/Workflows/UnpublishSchedule.php b/web/modules/custom/dpl_event/src/Workflows/UnpublishSchedule.php
index a86b36500..b64bd05c2 100644
--- a/web/modules/custom/dpl_event/src/Workflows/UnpublishSchedule.php
+++ b/web/modules/custom/dpl_event/src/Workflows/UnpublishSchedule.php
@@ -49,6 +49,17 @@ public function getSchedule(): array {
    * Callback to execute scheduled unpublication.
    */
   public function callback(JobSchedule $job): void {
+    $config = $this->configFactory->get(SettingsForm::CONFIG_NAME);
+
+    $enabled = (boolean) $config->get('unpublish_enable');
+
+    // If the automatic unpublication is disabled, we will skip past this job.
+    // This should technically not happen, as updating the settings will trigger
+    // rescheduleAll() on all eventinstances, but this is a nice fallback.
+    if (!$enabled) {
+      return;
+    }
+
     $event = $this->eventInstanceStorage->load($job->getId());
     if (!$event || !$event instanceof EventInstance) {
       throw new \UnexpectedValueException("Unable to load event instance {$job->getId()} for automatic unpublication");
@@ -56,14 +67,26 @@ public function callback(JobSchedule $job): void {
 
     $event->setUnpublished()->save();
 
-    // If all instances in the series are unpublished then also unpublish the
-    // series.
+    // Detect if site wishes series to be unpublished when all instances are
+    // unpublished.
+    $seriesUnpublishingEnabled = (boolean) $config->get('unpublish_series_enable');
+
+    if (!$seriesUnpublishingEnabled) {
+      return;
+    }
+
+    // Count the number of published eventinstances, and if it is 0, unpublish
+    // the series.
     $eventSeries = $event->getEventSeries();
-    $allEventInstances = $eventSeries->get('event_instances')->referencedEntities();
-    $publishedInstances = array_filter($allEventInstances, function (EventInstance $event) {
-      return $event->isPublished();
-    });
-    if (empty($publishedInstances)) {
+
+    $publishedEventInstanceIds = ($this->eventInstanceStorage->getQuery())
+      ->accessCheck(FALSE)
+      ->condition('eventseries_id', $eventSeries->id())
+      ->condition('status', 1)
+      ->count()
+      ->execute();
+
+    if (empty($publishedEventInstanceIds)) {
       $eventSeries->setUnpublished()->save();
     }
   }
@@ -73,6 +96,7 @@ public function callback(JobSchedule $job): void {
    */
   public function scheduleUnpublication(EventInstance $event): void {
     $config = $this->configFactory->get(SettingsForm::CONFIG_NAME);
+    $enabled = (boolean) $config->get('unpublish_enable');
     $schedule = (int) $config->get('unpublish_schedule');
     $now_timestamp = $this->time->getCurrentTime();
 
@@ -93,9 +117,10 @@ public function scheduleUnpublication(EventInstance $event): void {
 
     // Remove any preexisting job with the same name, type and id.
     $this->jobScheduler->remove($job);
+
     // If automatic unpublication is enabled and needed then schedule a new
     // unpublication.
-    if ($schedule > 0 && $event->isPublished()) {
+    if ($enabled && $schedule > 0 && $event->isPublished()) {
       $this->jobScheduler->set($job);
 
       $this->logger->debug(
@@ -108,10 +133,10 @@ public function scheduleUnpublication(EventInstance $event): void {
   /**
    * Reschedule all event instances for unpublication.
    *
-   * This will update schedules for all events even those that where not
+   * This will update schedules for all events even those that were not
    * scheduled in the past.
    */
-  public function rescheduleAll(): void {
+  public function rescheduleAll(): int {
     $this->jobScheduler->removeAll(self::JOB_SCHEDULE_NAME, self::JOB_SCHEDULE_TYPE);
 
     $publishedEventInstanceIds = ($this->eventInstanceStorage->getQuery())
@@ -124,6 +149,8 @@ public function rescheduleAll(): void {
     array_walk($publishedEventInstances, function (EventInstance $event) {
       $this->scheduleUnpublication($event);
     });
+
+    return count($publishedEventInstanceIds);
   }
 
 }