diff --git a/scripts/generate-site.csx b/scripts/generate-site.csx
index efd0b66..a975ce2 100755
--- a/scripts/generate-site.csx
+++ b/scripts/generate-site.csx
@@ -55,7 +55,7 @@ private class Series {
   }
 
   public string TitleFilter {
-    get => Title.ToLowerInvariant();
+    get => WebUtility.HtmlEncode(Title.ToLowerInvariant());
   }
 }
 
diff --git a/site/partial/genre/adventure.html b/site/partial/genre/adventure.html
index e769572..b74da65 100644
--- a/site/partial/genre/adventure.html
+++ b/site/partial/genre/adventure.html
@@ -288,7 +288,7 @@
             hx-target='main'
             hx-push-url='/series/ellery-queens-minute-mysteries'
             hx-swap='innerHTML show:top'
-            data-filter='ellery queen's minute mysteries'
+            data-filter='ellery queen's minute mysteries'
             title='Ellery Queen's Minute Mysteries'>
           <img alt='cover image' title='Ellery Queen&#39;s Minute Mysteries'
               src='/cover/sm/ellery-queens-minute-mysteries.jpg'>
@@ -768,7 +768,7 @@
             hx-target='main'
             hx-push-url='/series/world-adventurers-club'
             hx-swap='innerHTML show:top'
-            data-filter='world adventurer's club'
+            data-filter='world adventurer&#39;s club'
             title='World Adventurer&#39;s Club'>
           <img alt='cover image' title='World Adventurer&#39;s Club'
               src='/cover/sm/world-adventurers-club.jpg'>
diff --git a/site/partial/genre/comedy.html b/site/partial/genre/comedy.html
index cdee9f0..c6ca46f 100644
--- a/site/partial/genre/comedy.html
+++ b/site/partial/genre/comedy.html
@@ -88,7 +88,7 @@
             hx-target='main'
             hx-push-url='/series/amos-n-andy'
             hx-swap='innerHTML show:top'
-            data-filter='amos 'n' andy'
+            data-filter='amos &#39;n&#39; andy'
             title='Amos &#39;n&#39; Andy'>
           <img alt='cover image' title='Amos &#39;n&#39; Andy'
               src='/cover/sm/amos-n-andy.jpg'>
@@ -368,7 +368,7 @@
             hx-target='main'
             hx-push-url='/series/duffys-tavern'
             hx-swap='innerHTML show:top'
-            data-filter='duffy's tavern'
+            data-filter='duffy&#39;s tavern'
             title='Duffy&#39;s Tavern'>
           <img alt='cover image' title='Duffy&#39;s Tavern'
               src='/cover/sm/duffys-tavern.jpg'>
@@ -388,7 +388,7 @@
             hx-target='main'
             hx-push-url='/series/edgar-bergen--charlie-mccarthy'
             hx-swap='innerHTML show:top'
-            data-filter='edgar bergen & charlie mccarthy'
+            data-filter='edgar bergen &amp; charlie mccarthy'
             title='Edgar Bergen &amp; Charlie McCarthy'>
           <img alt='cover image' title='Edgar Bergen &amp; Charlie McCarthy'
               src='/cover/sm/edgar-bergen--charlie-mccarthy.jpg'>
@@ -668,7 +668,7 @@
             hx-target='main'
             hx-push-url='/series/mama-blooms-brood'
             hx-swap='innerHTML show:top'
-            data-filter='mama bloom's brood'
+            data-filter='mama bloom&#39;s brood'
             title='Mama Bloom&#39;s Brood'>
           <img alt='cover image' title='Mama Bloom&#39;s Brood'
               src='/cover/sm/mama-blooms-brood.jpg'>
diff --git a/site/partial/genre/detective.html b/site/partial/genre/detective.html
index 97affe8..011d360 100644
--- a/site/partial/genre/detective.html
+++ b/site/partial/genre/detective.html
@@ -688,7 +688,7 @@
             hx-target='main'
             hx-push-url='/series/rogues-gallery'
             hx-swap='innerHTML show:top'
-            data-filter='rogue's gallery'
+            data-filter='rogue&#39;s gallery'
             title='Rogue&#39;s Gallery'>
           <img alt='cover image' title='Rogue&#39;s Gallery'
               src='/cover/sm/rogues-gallery.jpg'>
diff --git a/site/partial/genre/documentary.html b/site/partial/genre/documentary.html
index f2b1186..9997d1b 100644
--- a/site/partial/genre/documentary.html
+++ b/site/partial/genre/documentary.html
@@ -208,7 +208,7 @@
             hx-target='main'
             hx-push-url='/series/ripleys-believe-it-or-not'
             hx-swap='innerHTML show:top'
-            data-filter='ripley's believe it or not'
+            data-filter='ripley&#39;s believe it or not'
             title='Ripley&#39;s Believe It Or Not'>
           <img alt='cover image' title='Ripley&#39;s Believe It Or Not'
               src='/cover/sm/ripleys-believe-it-or-not.jpg'>
@@ -228,7 +228,7 @@
             hx-target='main'
             hx-push-url='/series/ripleys-one-minute-shorts'
             hx-swap='innerHTML show:top'
-            data-filter='ripley's one minute shorts'
+            data-filter='ripley&#39;s one minute shorts'
             title='Ripley&#39;s One Minute Shorts'>
           <img alt='cover image' title='Ripley&#39;s One Minute Shorts'
               src='/cover/sm/ripleys-one-minute-shorts.jpg'>
@@ -348,7 +348,7 @@
             hx-target='main'
             hx-push-url='/series/you-cant-do-business-with-hitler'
             hx-swap='innerHTML show:top'
-            data-filter='you can't do business with hitler'
+            data-filter='you can&#39;t do business with hitler'
             title='You Can&#39;t Do Business With Hitler'>
           <img alt='cover image' title='You Can&#39;t Do Business With Hitler'
               src='/cover/sm/you-cant-do-business-with-hitler.jpg'>
diff --git a/site/partial/genre/drama.html b/site/partial/genre/drama.html
index 649a6a6..71cd220 100644
--- a/site/partial/genre/drama.html
+++ b/site/partial/genre/drama.html
@@ -368,7 +368,7 @@
             hx-target='main'
             hx-push-url='/series/mama-blooms-brood'
             hx-swap='innerHTML show:top'
-            data-filter='mama bloom's brood'
+            data-filter='mama bloom&#39;s brood'
             title='Mama Bloom&#39;s Brood'>
           <img alt='cover image' title='Mama Bloom&#39;s Brood'
               src='/cover/sm/mama-blooms-brood.jpg'>
@@ -588,7 +588,7 @@
             hx-target='main'
             hx-push-url='/series/screen-directors-playhouse'
             hx-swap='innerHTML show:top'
-            data-filter='screen directors' playhouse'
+            data-filter='screen directors&#39; playhouse'
             title='Screen Directors&#39; Playhouse'>
           <img alt='cover image' title='Screen Directors&#39; Playhouse'
               src='/cover/sm/screen-directors-playhouse.jpg'>
diff --git a/site/partial/genre/horror.html b/site/partial/genre/horror.html
index 6b4284a..532dfca 100644
--- a/site/partial/genre/horror.html
+++ b/site/partial/genre/horror.html
@@ -8,7 +8,7 @@
             hx-target='main'
             hx-push-url='/series/arch-obolers-plays'
             hx-swap='innerHTML show:top'
-            data-filter='arch oboler's plays'
+            data-filter='arch oboler&#39;s plays'
             title='Arch Oboler&#39;s Plays'>
           <img alt='cover image' title='Arch Oboler&#39;s Plays'
               src='/cover/sm/arch-obolers-plays.jpg'>
@@ -108,7 +108,7 @@
             hx-target='main'
             hx-push-url='/series/the-hermits-cave'
             hx-swap='innerHTML show:top'
-            data-filter='the hermit's cave'
+            data-filter='the hermit&#39;s cave'
             title='The Hermit&#39;s Cave'>
           <img alt='cover image' title='The Hermit&#39;s Cave'
               src='/cover/sm/the-hermits-cave.jpg'>
diff --git a/site/partial/genre/music.html b/site/partial/genre/music.html
index 9756ee2..5258535 100644
--- a/site/partial/genre/music.html
+++ b/site/partial/genre/music.html
@@ -268,7 +268,7 @@
             hx-target='main'
             hx-push-url='/series/mothers-best-flour'
             hx-swap='innerHTML show:top'
-            data-filter='mother's best flour'
+            data-filter='mother&#39;s best flour'
             title='Mother&#39;s Best Flour'>
           <img alt='cover image' title='Mother&#39;s Best Flour'
               src='/cover/sm/mothers-best-flour.jpg'>
diff --git a/site/partial/genre/mystery.html b/site/partial/genre/mystery.html
index 93b2b26..8c2954f 100644
--- a/site/partial/genre/mystery.html
+++ b/site/partial/genre/mystery.html
@@ -68,7 +68,7 @@
             hx-target='main'
             hx-push-url='/series/arch-obolers-plays'
             hx-swap='innerHTML show:top'
-            data-filter='arch oboler's plays'
+            data-filter='arch oboler&#39;s plays'
             title='Arch Oboler&#39;s Plays'>
           <img alt='cover image' title='Arch Oboler&#39;s Plays'
               src='/cover/sm/arch-obolers-plays.jpg'>
@@ -188,7 +188,7 @@
             hx-target='main'
             hx-push-url='/series/ellery-queens-minute-mysteries'
             hx-swap='innerHTML show:top'
-            data-filter='ellery queen's minute mysteries'
+            data-filter='ellery queen&#39;s minute mysteries'
             title='Ellery Queen&#39;s Minute Mysteries'>
           <img alt='cover image' title='Ellery Queen&#39;s Minute Mysteries'
               src='/cover/sm/ellery-queens-minute-mysteries.jpg'>
diff --git a/site/partial/series.html b/site/partial/series.html
index 7cd18cd..aeedf45 100644
--- a/site/partial/series.html
+++ b/site/partial/series.html
@@ -428,7 +428,7 @@
             hx-target='main'
             hx-push-url='/series/amos-n-andy'
             hx-swap='innerHTML show:top'
-            data-filter='amos 'n' andy'
+            data-filter='amos &#39;n&#39; andy'
             title='Amos &#39;n&#39; Andy'>
           <img alt='cover image' title='Amos &#39;n&#39; Andy'
               src='/cover/sm/amos-n-andy.jpg'>
@@ -448,7 +448,7 @@
             hx-target='main'
             hx-push-url='/series/arch-obolers-plays'
             hx-swap='innerHTML show:top'
-            data-filter='arch oboler's plays'
+            data-filter='arch oboler&#39;s plays'
             title='Arch Oboler&#39;s Plays'>
           <img alt='cover image' title='Arch Oboler&#39;s Plays'
               src='/cover/sm/arch-obolers-plays.jpg'>
@@ -1768,7 +1768,7 @@
             hx-target='main'
             hx-push-url='/series/duffys-tavern'
             hx-swap='innerHTML show:top'
-            data-filter='duffy's tavern'
+            data-filter='duffy&#39;s tavern'
             title='Duffy&#39;s Tavern'>
           <img alt='cover image' title='Duffy&#39;s Tavern'
               src='/cover/sm/duffys-tavern.jpg'>
@@ -1788,7 +1788,7 @@
             hx-target='main'
             hx-push-url='/series/edgar-bergen--charlie-mccarthy'
             hx-swap='innerHTML show:top'
-            data-filter='edgar bergen & charlie mccarthy'
+            data-filter='edgar bergen &amp; charlie mccarthy'
             title='Edgar Bergen &amp; Charlie McCarthy'>
           <img alt='cover image' title='Edgar Bergen &amp; Charlie McCarthy'
               src='/cover/sm/edgar-bergen--charlie-mccarthy.jpg'>
@@ -1808,7 +1808,7 @@
             hx-target='main'
             hx-push-url='/series/ellery-queens-minute-mysteries'
             hx-swap='innerHTML show:top'
-            data-filter='ellery queen's minute mysteries'
+            data-filter='ellery queen&#39;s minute mysteries'
             title='Ellery Queen&#39;s Minute Mysteries'>
           <img alt='cover image' title='Ellery Queen&#39;s Minute Mysteries'
               src='/cover/sm/ellery-queens-minute-mysteries.jpg'>
@@ -2468,7 +2468,7 @@
             hx-target='main'
             hx-push-url='/series/the-hermits-cave'
             hx-swap='innerHTML show:top'
-            data-filter='the hermit's cave'
+            data-filter='the hermit&#39;s cave'
             title='The Hermit&#39;s Cave'>
           <img alt='cover image' title='The Hermit&#39;s Cave'
               src='/cover/sm/the-hermits-cave.jpg'>
@@ -3108,7 +3108,7 @@
             hx-target='main'
             hx-push-url='/series/mama-blooms-brood'
             hx-swap='innerHTML show:top'
-            data-filter='mama bloom's brood'
+            data-filter='mama bloom&#39;s brood'
             title='Mama Bloom&#39;s Brood'>
           <img alt='cover image' title='Mama Bloom&#39;s Brood'
               src='/cover/sm/mama-blooms-brood.jpg'>
@@ -3388,7 +3388,7 @@
             hx-target='main'
             hx-push-url='/series/mothers-best-flour'
             hx-swap='innerHTML show:top'
-            data-filter='mother's best flour'
+            data-filter='mother&#39;s best flour'
             title='Mother&#39;s Best Flour'>
           <img alt='cover image' title='Mother&#39;s Best Flour'
               src='/cover/sm/mothers-best-flour.jpg'>
@@ -4268,7 +4268,7 @@
             hx-target='main'
             hx-push-url='/series/ripleys-believe-it-or-not'
             hx-swap='innerHTML show:top'
-            data-filter='ripley's believe it or not'
+            data-filter='ripley&#39;s believe it or not'
             title='Ripley&#39;s Believe It Or Not'>
           <img alt='cover image' title='Ripley&#39;s Believe It Or Not'
               src='/cover/sm/ripleys-believe-it-or-not.jpg'>
@@ -4288,7 +4288,7 @@
             hx-target='main'
             hx-push-url='/series/ripleys-one-minute-shorts'
             hx-swap='innerHTML show:top'
-            data-filter='ripley's one minute shorts'
+            data-filter='ripley&#39;s one minute shorts'
             title='Ripley&#39;s One Minute Shorts'>
           <img alt='cover image' title='Ripley&#39;s One Minute Shorts'
               src='/cover/sm/ripleys-one-minute-shorts.jpg'>
@@ -4348,7 +4348,7 @@
             hx-target='main'
             hx-push-url='/series/rogues-gallery'
             hx-swap='innerHTML show:top'
-            data-filter='rogue's gallery'
+            data-filter='rogue&#39;s gallery'
             title='Rogue&#39;s Gallery'>
           <img alt='cover image' title='Rogue&#39;s Gallery'
               src='/cover/sm/rogues-gallery.jpg'>
@@ -4488,7 +4488,7 @@
             hx-target='main'
             hx-push-url='/series/screen-directors-playhouse'
             hx-swap='innerHTML show:top'
-            data-filter='screen directors' playhouse'
+            data-filter='screen directors&#39; playhouse'
             title='Screen Directors&#39; Playhouse'>
           <img alt='cover image' title='Screen Directors&#39; Playhouse'
               src='/cover/sm/screen-directors-playhouse.jpg'>
@@ -5308,7 +5308,7 @@
             hx-target='main'
             hx-push-url='/series/world-adventurers-club'
             hx-swap='innerHTML show:top'
-            data-filter='world adventurer's club'
+            data-filter='world adventurer&#39;s club'
             title='World Adventurer&#39;s Club'>
           <img alt='cover image' title='World Adventurer&#39;s Club'
               src='/cover/sm/world-adventurers-club.jpg'>
@@ -5388,7 +5388,7 @@
             hx-target='main'
             hx-push-url='/series/you-cant-do-business-with-hitler'
             hx-swap='innerHTML show:top'
-            data-filter='you can't do business with hitler'
+            data-filter='you can&#39;t do business with hitler'
             title='You Can&#39;t Do Business With Hitler'>
           <img alt='cover image' title='You Can&#39;t Do Business With Hitler'
               src='/cover/sm/you-cant-do-business-with-hitler.jpg'>