diff --git a/website/common/locales/en/gear.json b/website/common/locales/en/gear.json
index b3ac002b21..e1796fc15a 100644
--- a/website/common/locales/en/gear.json
+++ b/website/common/locales/en/gear.json
@@ -1575,6 +1575,8 @@
   "headMystery202007Notes": "This helm will tune you in to the complex and beautiful songs of your fellow cetaceans. Confers no benefit. July 2020 Subscriber Item.",
   "headMystery202008Text": "Owlish Oracle Headdress",
   "headMystery202008Notes": "WHO? WHO? WHO approaches, seeking your counsel? Confers no benefit. August 2020 Subscriber Item.",
+  "headMystery202010Text": "Batty Ears",
+  "headMystery202010Notes": "We'll spare you another joke about echolocation... cation... cation. Confers no benefit. October 2020 Subscriber Item.",
   "headMystery301404Text": "Fancy Top Hat",
   "headMystery301404Notes": "A fancy top hat for the finest of gentlefolk! January 3015 Subscriber Item. Confers no benefit.",
   "headMystery301405Text": "Basic Top Hat",
@@ -2070,6 +2072,8 @@
   "backMystery202005Notes": "Despite their slight tatters, these wings can still carry you wherever you need to travel. Confers no benefit. May 2020 Subscriber Item.",
   "backMystery202009Text": "Marvelous Moth Wings",
   "backMystery202009Notes": "Let these huge wings take you to new heights! Confers no benefit. September 2020 Subscriber Item.",
+  "backMystery202010Text": "Beguiling Bat Wings",
+  "backMystery202010Notes": "You are the night! So fly as silently as a midnight cloud with these swift purple wings. Confers no benefit. October 2020 Subscriber Item.",
 
   "backSpecialWonderconRedText": "Mighty Cape",
   "backSpecialWonderconRedNotes": "Swishes with strength and beauty. Confers no benefit. Special Edition Convention Item.",
diff --git a/website/common/locales/en/subscriber.json b/website/common/locales/en/subscriber.json
index 1e7a5939bd..ff84228e41 100644
--- a/website/common/locales/en/subscriber.json
+++ b/website/common/locales/en/subscriber.json
@@ -115,6 +115,7 @@
     "mysterySet202007": "Outstanding Orca Set",
     "mysterySet202008": "Owlish Oracle Set",
     "mysterySet202009": "Marvelous Moth Set",
+    "mysterySet202010": "Beguilingly Batty Set",
     "mysterySet301404": "Steampunk Standard Set",
     "mysterySet301405": "Steampunk Accessories Set",
     "mysterySet301703": "Peacock Steampunk Set",
diff --git a/website/common/script/content/appearance/sets.js b/website/common/script/content/appearance/sets.js
index 7a400ecb3c..239b090437 100644
--- a/website/common/script/content/appearance/sets.js
+++ b/website/common/script/content/appearance/sets.js
@@ -14,7 +14,7 @@ export default prefill({
     setPrice: 5, availableFrom: '2020-04-14', availableUntil: '2020-05-02', text: t('shimmerColors'),
   },
   hauntedHairColors: {
-    setPrice: 5, availableFrom: '2019-10-08', availableUntil: '2019-11-02', text: t('hauntedColors'),
+    setPrice: 5, availableFrom: '2020-09-25', availableUntil: '2020-11-02', text: t('hauntedColors'),
   },
   winteryHairColors: {
     setPrice: 5, availableFrom: '2020-01-10', availableUntil: '2020-02-02', text: t('winteryColors'),
@@ -26,7 +26,7 @@ export default prefill({
   },
   spookySkins: { setPrice: 5, availableUntil: '2016-01-01', text: t('spookySkins') },
   supernaturalSkins: {
-    setPrice: 5, availableFrom: '2019-10-08', availableUntil: '2019-11-02', text: t('supernaturalSkins'),
+    setPrice: 5, availableFrom: '2020-09-25', availableUntil: '2020-11-02', text: t('supernaturalSkins'),
   },
   splashySkins: {
     setPrice: 5, availableFrom: '2020-06-23', availableUntil: '2020-08-02', text: t('splashySkins'),
diff --git a/website/common/script/content/gear/sets/mystery.js b/website/common/script/content/gear/sets/mystery.js
index 7d81b24fb5..6ca6ea09a2 100644
--- a/website/common/script/content/gear/sets/mystery.js
+++ b/website/common/script/content/gear/sets/mystery.js
@@ -78,6 +78,7 @@ const back = {
   202004: { },
   202005: { },
   202009: { },
+  202010: { },
 };
 
 const body = {
@@ -156,6 +157,7 @@ const head = {
   202006: { },
   202007: { },
   202008: { },
+  202010: { },
   301404: { },
   301405: { },
   301703: { },
diff --git a/website/raw_sprites/spritesmith/gear/events/mystery_202010/back_mystery_202010.png b/website/raw_sprites/spritesmith/gear/events/mystery_202010/back_mystery_202010.png
new file mode 100644
index 0000000000..1ddf039bcb
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diff --git a/website/raw_sprites/spritesmith/gear/events/mystery_202010/head_mystery_202010.png b/website/raw_sprites/spritesmith/gear/events/mystery_202010/head_mystery_202010.png
new file mode 100644
index 0000000000..e764b6dfcd
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diff --git a/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_back_mystery_202010.png b/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_back_mystery_202010.png
new file mode 100644
index 0000000000..decd708d93
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diff --git a/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_head_mystery_202010.png b/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_head_mystery_202010.png
new file mode 100644
index 0000000000..97229b7aa9
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diff --git a/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_set_mystery_202010.png b/website/raw_sprites/spritesmith/gear/events/mystery_202010/shop_set_mystery_202010.png
new file mode 100644
index 0000000000..820113ece5
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