diff --git a/data/sound/episode3/slide3-0.mp3 b/data/sound/episode3/slide3-0.mp3
new file mode 100644
index 00000000..154b7c84
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diff --git a/data/sound/episode3/slide4-0.mp3 b/data/sound/episode3/slide4-0.mp3
new file mode 100644
index 00000000..5c1cb6b7
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diff --git a/data/sound/episode3/slide4-1.mp3 b/data/sound/episode3/slide4-1.mp3
new file mode 100644
index 00000000..9e8bbef0
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diff --git a/data/sound/episode3/slide4-2.mp3 b/data/sound/episode3/slide4-2.mp3
new file mode 100644
index 00000000..b54e330a
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diff --git a/data/sound/episode3/slide4-3.mp3 b/data/sound/episode3/slide4-3.mp3
new file mode 100644
index 00000000..6b4151bc
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diff --git a/data/sound/episode3/slide4-4.mp3 b/data/sound/episode3/slide4-4.mp3
new file mode 100644
index 00000000..7cd50617
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diff --git a/data/sound/episode3/slide5-0.mp3 b/data/sound/episode3/slide5-0.mp3
new file mode 100644
index 00000000..86f0d54d
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diff --git a/data/sound/episode3/slide5-1.mp3 b/data/sound/episode3/slide5-1.mp3
new file mode 100644
index 00000000..79593e80
Binary files /dev/null and b/data/sound/episode3/slide5-1.mp3 differ
diff --git a/data/sound/episode3/slide5-2.mp3 b/data/sound/episode3/slide5-2.mp3
new file mode 100644
index 00000000..3f949e4a
Binary files /dev/null and b/data/sound/episode3/slide5-2.mp3 differ
diff --git a/data/sound/episode3/slide5-3.mp3 b/data/sound/episode3/slide5-3.mp3
new file mode 100644
index 00000000..42c163da
Binary files /dev/null and b/data/sound/episode3/slide5-3.mp3 differ
diff --git a/data/sound/episode3/slide5-4.mp3 b/data/sound/episode3/slide5-4.mp3
new file mode 100644
index 00000000..f22e09b3
Binary files /dev/null and b/data/sound/episode3/slide5-4.mp3 differ
diff --git a/zkmarek/video/main.py b/zkmarek/video/main.py
index 5860f2eb..a6cff470 100644
--- a/zkmarek/video/main.py
+++ b/zkmarek/video/main.py
@@ -187,10 +187,6 @@
     Ceremony(),
     CeremonyVerification(),
     CeremonyVerification2(),
-    TitleSlide("KZG", subtitle="Kate, Zaverucha and Goldberg"),
-    PolynomialCommitment(),
-    KZG(),
-    Verkle(),
     Subscribe("data/sound/episode1/s28.wav"),
     Credits2(),
 ]
@@ -198,6 +194,10 @@
 EPISODE4 = [
     # Intro("data/sound/episode2/slide1-0.mp3"),
     # Sponsored(),
+    TitleSlide("KZG", subtitle="Kate, Zaverucha and Goldberg"),
+    PolynomialCommitment(),
+    KZG(),
+    Verkle(),
     Verkle(),
     Subscribe("data/sound/episode1/s28.wav"),
 ]
diff --git a/zkmarek/video/slides/episode3/ceremony.py b/zkmarek/video/slides/episode3/ceremony.py
index 076697f6..5290f4af 100644
--- a/zkmarek/video/slides/episode3/ceremony.py
+++ b/zkmarek/video/slides/episode3/ceremony.py
@@ -63,13 +63,18 @@ def construct(self):
         self.tau.next_to(self.vector_k, DOWN, buff=0.5)
 
     def animate_in(self, scene):
+        self.new_subsection(scene, "ceremony intro", "data/sound/episode3/slide5-0.mp3")
         scene.play(Write(self.title_label))
         scene.play(Write(self.tau_0))
+        self.new_subsection(scene, "first participant", "data/sound/episode3/slide5-1.mp3")
         scene.play(Write(self.vector_0))
         scene.play(Write(self.tau_1))
+        self.new_subsection(scene, "beginning of ceremony", "data/sound/episode3/slide5-2.mp3")
         scene.play(Write(self.vector_1))
         scene.play(Write(self.three_dot))
+        self.new_subsection(scene, "next participant", "data/sound/episode3/slide5-3.mp3")
         scene.play(Write(self.tau_k))
         scene.play(Write(self.vector_k))
+        self.new_subsection(scene, "conclusion of ceremony", "data/sound/episode3/slide5-4.mp3")
         scene.play(Write(self.tau))
         scene.wait(2)
diff --git a/zkmarek/video/slides/episode3/introduction.py b/zkmarek/video/slides/episode3/introduction.py
index 10672ed3..114a6074 100644
--- a/zkmarek/video/slides/episode3/introduction.py
+++ b/zkmarek/video/slides/episode3/introduction.py
@@ -42,10 +42,12 @@ def animate_in(self, scene):
 
         self.new_subsection(scene, "any polynomial", "data/sound/episode3/slide1-2.mp3")
         self.person_wthumb.generate_target()
-        self.person_wthumb.target.shift(RIGHT*2+DOWN*2).scale(2)
+        self.person_wthumb.target.shift(RIGHT*2.5+DOWN).scale(2)
         scene.play(MoveToTarget(self.person_wthumb))
         scene.play(FadeIn(self.polynomial))
+        scene.wait(0.5)
         scene.play(FadeIn(self.polynomial1))
+        scene.wait(1.5)
 
     def animate_out(self, scene):
         scene.play(FadeOut(self.person_wthumb, self.polynomial, self.polynomial1))
diff --git a/zkmarek/video/slides/episode3/trusted_setup.py b/zkmarek/video/slides/episode3/trusted_setup.py
index a0648d9c..f8fdcafd 100644
--- a/zkmarek/video/slides/episode3/trusted_setup.py
+++ b/zkmarek/video/slides/episode3/trusted_setup.py
@@ -1,4 +1,4 @@
-from manim import LEFT, RIGHT, DOWN, UP, MathTex, Tex, Text, Write, Line
+from manim import LEFT, RIGHT, DOWN, UP, MathTex, Tex, Text, Write, Line, FadeOut
 
 from zkmarek.video.constant import PRIMARY_COLOR, PRIMARY_FONT, SECONDARY_COLOR
 from zkmarek.video.mobjects.tex_array import TexArray
@@ -64,12 +64,19 @@ def construct(self):
             end=self.tau.get_critical_point(RIGHT), color=SECONDARY_COLOR)
 
     def animate_in(self, scene):
+        self.new_subsection(scene, "intro to trusted setup", "data/sound/episode3/slide4-0.mp3")
         scene.play(Write(self.title_label))
         scene.play(Write(self.tau))
+        self.new_subsection(scene, "tau", "data/sound/episode3/slide4-1.mp3")
         scene.play(Write(self.vector_g1))
         self.vector_g1.animate_transform_matching_shapes(scene, SETUP_G1_2)
+        self.new_subsection(scene, "multiplying by G1", "data/sound/episode3/slide4-2.mp3")
         scene.play(Write(self.vector_g2))
         scene.play(Write(self.strike))
+        self.new_subsection(scene, "multiplying by G2", "data/sound/episode3/slide4-3.mp3")
         self.vector_g1.animate_transform_matching_shapes(scene, SETUP_G1_3)
         self.vector_g2.animate_transform_matching_shapes(scene, SETUP_G2_2)
+        self.new_subsection(scene, "there are ec points", "data/sound/episode3/slide4-4.mp3")
+        scene.wait(5)
+