diff --git a/app/assets/javascripts/discourse-common/addon/helpers/popular-themes.js b/app/assets/javascripts/discourse-common/addon/helpers/popular-themes.js
index dfb28f229d3..675106873b5 100644
--- a/app/assets/javascripts/discourse-common/addon/helpers/popular-themes.js
+++ b/app/assets/javascripts/discourse-common/addon/helpers/popular-themes.js
@@ -2,7 +2,7 @@ export const POPULAR_THEMES = [
   {
     name: "Graceful",
     value: "https://github.com/discourse/graceful",
-    preview: "https://theme-creator.discourse.org/theme/awesomerobot/graceful",
+    preview: "https://discourse.theme-creator.io/theme/awesomerobot/graceful",
     description: "A light and graceful theme for Discourse.",
     meta_url:
       "https://meta.discourse.org/t/a-graceful-theme-for-discourse/93040",
@@ -10,8 +10,7 @@ export const POPULAR_THEMES = [
   {
     name: "Material Design Theme",
     value: "https://github.com/discourse/material-design-stock-theme",
-    preview:
-      "https://theme-creator.discourse.org/theme/tshenry/material-design",
+    preview: "https://discourse.theme-creator.io/theme/tshenry/material-design",
     description:
       "Inspired by Material Design, this theme comes with several color palettes (incl. a dark one).",
     meta_url: "https://meta.discourse.org/t/material-design-stock-theme/47142",
@@ -19,7 +18,7 @@ export const POPULAR_THEMES = [
   {
     name: "Minima",
     value: "https://github.com/discourse/minima",
-    preview: "https://theme-creator.discourse.org/theme/awesomerobot/minima",
+    preview: "https://discourse.theme-creator.io/theme/awesomerobot/minima",
     description: "A minimal theme with reduced UI elements and focus on text.",
     meta_url:
       "https://meta.discourse.org/t/minima-a-minimal-theme-for-discourse/108178",
@@ -27,7 +26,7 @@ export const POPULAR_THEMES = [
   {
     name: "Sam's Simple Theme",
     value: "https://github.com/discourse/discourse-simple-theme",
-    preview: "https://theme-creator.discourse.org/theme/sam/simple",
+    preview: "https://discourse.theme-creator.io/theme/sam/simple",
     description:
       "Simplified front page design with classic colors and typography.",
     meta_url:
@@ -36,6 +35,8 @@ export const POPULAR_THEMES = [
   {
     name: "Brand Header",
     value: "https://github.com/discourse/discourse-brand-header",
+    preview:
+      "https://discourse.theme-creator.io/theme/vinothkannans/brand-header",
     description:
       "Add an extra top header with your logo, navigation links and social icons.",
     meta_url: "https://meta.discourse.org/t/brand-header-theme-component/77977",
@@ -45,7 +46,7 @@ export const POPULAR_THEMES = [
     name: "Custom Header Links",
     value: "https://github.com/discourse/discourse-custom-header-links",
     preview:
-      "https://theme-creator.discourse.org/theme/Johani/custom-header-links",
+      "https://discourse.theme-creator.io/theme/awesomerobot/custom-header-links",
     description: "Easily add custom text-based links to the header.",
     meta_url: "https://meta.discourse.org/t/custom-header-links/90588",
     component: true,
@@ -61,7 +62,7 @@ export const POPULAR_THEMES = [
     name: "Category Banners",
     value: "https://github.com/discourse/discourse-category-banners",
     preview:
-      "https://theme-creator.discourse.org/theme/awesomerobot/discourse-category-banners",
+      "https://discourse.theme-creator.io/theme/awesomerobot/discourse-category-banners",
     description:
       "Show banners on category pages using your existing category details.",
     meta_url: "https://meta.discourse.org/t/discourse-category-banners/86241",
@@ -70,7 +71,7 @@ export const POPULAR_THEMES = [
   {
     name: "Kanban Board",
     value: "https://github.com/discourse/discourse-kanban-theme",
-    preview: "https://theme-creator.discourse.org/theme/david/kanban",
+    preview: "https://discourse.theme-creator.io/theme/david/kanban",
     description: "Display and organize topics using a Kanban board interface.",
     meta_url:
       "https://meta.discourse.org/t/kanban-board-theme-component/118164",
@@ -84,10 +85,19 @@ export const POPULAR_THEMES = [
     meta_url: "https://meta.discourse.org/t/hamburger-theme-selector/61210",
     component: true,
   },
+  {
+    name: "Sidebar Theme Toggle",
+    value: "https://github.com/discourse/discourse-sidebar-theme-toggle",
+    description:
+      "Displays a theme selector in the sidebar menu’s footer provided there is more than one user-selectable theme.",
+    meta_url: "https://meta.discourse.org/t/sidebar-theme-toggle/242802",
+    component: true,
+  },
   {
     name: "Header Submenus",
     value: "https://github.com/discourse/discourse-header-submenus",
-    preview: "https://theme-creator.discourse.org/theme/Johani/header-submenus",
+    preview:
+      "https://discourse.theme-creator.io/theme/awesomerobot/header-submenus",
     description: "Lets you build a header menu with submenus (dropdowns).",
     meta_url: "https://meta.discourse.org/t/header-submenus/94584",
     component: true,
@@ -104,7 +114,7 @@ export const POPULAR_THEMES = [
   {
     name: "Easy Responsive Footer",
     value: "https://github.com/discourse/Discourse-easy-footer",
-    preview: "https://theme-creator.discourse.org/theme/Johani/easy-footer",
+    preview: "https://discourse.theme-creator.io/theme/Johani/easy-footer",
     description: "Add a fully responsive footer without writing any HTML.",
     meta_url: "https://meta.discourse.org/t/easy-responsive-footer/95818",
     component: true,