diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index e5a63285ecc..8c8906be2b0 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -3528,6 +3528,7 @@ export class BattleScene extends SceneBase {
       this.gameMode.hasMysteryEncounters &&
       battleType === BattleType.WILD &&
       !this.gameMode.isBoss(waveIndex) &&
+      waveIndex % 10 !== 1 &&
       waveIndex < highestMysteryEncounterWave &&
       waveIndex > lowestMysteryEncounterWave
     );
diff --git a/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts b/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
index b547064fd66..d77326837cd 100644
--- a/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
+++ b/src/data/mystery-encounters/encounters/teleporting-hijinks-encounter.ts
@@ -59,7 +59,7 @@ export const TeleportingHijinksEncounter: MysteryEncounter = MysteryEncounterBui
 )
   .withEncounterTier(MysteryEncounterTier.COMMON)
   .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
-  .withSceneRequirement(new WaveModulusRequirement([1, 2, 3], 10)) // Must be in first 3 waves after boss wave
+  .withSceneRequirement(new WaveModulusRequirement([2, 3, 4], 10)) // Must be in first 3 waves after boss wave
   .withSceneRequirement(new MoneyRequirement(0, MONEY_COST_MULTIPLIER)) // Must be able to pay teleport cost
   .withAutoHideIntroVisuals(false)
   .withCatchAllowed(true)
diff --git a/test/mystery-encounter/encounters/teleporting-hijinks-encounter.test.ts b/test/mystery-encounter/encounters/teleporting-hijinks-encounter.test.ts
index 43d497c57bb..ff4f73cfbde 100644
--- a/test/mystery-encounter/encounters/teleporting-hijinks-encounter.test.ts
+++ b/test/mystery-encounter/encounters/teleporting-hijinks-encounter.test.ts
@@ -79,14 +79,6 @@ describe("Teleporting Hijinks - Mystery Encounter", () => {
     expect(TeleportingHijinksEncounter.options.length).toBe(3);
   });
 
-  it("should run in waves that are X1", async () => {
-    game.override.startingWave(11).mysteryEncounterTier(MysteryEncounterTier.COMMON);
-
-    await game.runToMysteryEncounter();
-
-    expect(scene.currentBattle?.mysteryEncounter?.encounterType).toBe(MysteryEncounterType.TELEPORTING_HIJINKS);
-  });
-
   it("should run in waves that are X2", async () => {
     game.override.startingWave(32).mysteryEncounterTier(MysteryEncounterTier.COMMON);
 
@@ -103,8 +95,16 @@ describe("Teleporting Hijinks - Mystery Encounter", () => {
     expect(scene.currentBattle?.mysteryEncounter?.encounterType).toBe(MysteryEncounterType.TELEPORTING_HIJINKS);
   });
 
-  it("should NOT run in waves that are not X1, X2, or X3", async () => {
-    game.override.startingWave(54);
+  it("should run in waves that are X4", async () => {
+    game.override.startingWave(54).mysteryEncounterTier(MysteryEncounterTier.COMMON);
+
+    await game.runToMysteryEncounter();
+
+    expect(scene.currentBattle?.mysteryEncounter?.encounterType).toBe(MysteryEncounterType.TELEPORTING_HIJINKS);
+  });
+
+  it("should NOT run in waves that are not X2, X3, or X4", async () => {
+    game.override.startingWave(67);
 
     await game.runToMysteryEncounter();
 
diff --git a/test/mystery-encounter/mystery-encounter.test.ts b/test/mystery-encounter/mystery-encounter.test.ts
index 71bc9aec008..a392cd00b42 100644
--- a/test/mystery-encounter/mystery-encounter.test.ts
+++ b/test/mystery-encounter/mystery-encounter.test.ts
@@ -24,7 +24,7 @@ describe("Mystery Encounters", () => {
   beforeEach(() => {
     game = new GameManager(phaserGame);
     scene = game.scene;
-    game.override.startingWave(11).mysteryEncounterChance(100);
+    game.override.startingWave(12).mysteryEncounterChance(100);
   });
 
   it("Spawns a mystery encounter", async () => {
@@ -37,6 +37,14 @@ describe("Mystery Encounters", () => {
     expect(game.scene.phaseManager.getCurrentPhase()!.constructor.name).toBe(MysteryEncounterPhase.name);
   });
 
+  it("Encounters should not run on X1 waves", async () => {
+    game.override.startingWave(11);
+
+    await game.runToMysteryEncounter();
+
+    expect(scene.currentBattle?.mysteryEncounter?.encounterType).not.toBe(MysteryEncounterType.MYSTERIOUS_CHALLENGERS);
+  });
+
   it("Encounters should not run below wave 10", async () => {
     game.override.startingWave(9);
 
diff --git a/test/phases/mystery-encounter-phase.test.ts b/test/phases/mystery-encounter-phase.test.ts
index ad71a4151ac..2b6105c7034 100644
--- a/test/phases/mystery-encounter-phase.test.ts
+++ b/test/phases/mystery-encounter-phase.test.ts
@@ -27,7 +27,7 @@ describe("Mystery Encounter Phases", () => {
 
   beforeEach(() => {
     game = new GameManager(phaserGame);
-    game.override.startingWave(11).mysteryEncounterChance(100).seed("test"); // Seed guarantees wild encounter to be replaced by ME
+    game.override.startingWave(12).mysteryEncounterChance(100).seed("test"); // Seed guarantees wild encounter to be replaced by ME
   });
 
   describe("MysteryEncounterPhase", () => {