diff --git a/docs/catalog/blocks/yt-comment-card.mdx b/docs/catalog/blocks/yt-comment-card.mdx
new file mode 100644
index 000000000..116281e49
--- /dev/null
+++ b/docs/catalog/blocks/yt-comment-card.mdx
@@ -0,0 +1,44 @@
+---
+title: "Comment Cards"
+description: "Social comments typing on over footage: avatar pop, username and time, per-character typewriter, likes row; image avatars or initials chips"
+---
+
+# Comment Cards
+
+Social comments typing on over footage: avatar pop, username and time, per-character typewriter, likes row; image avatars or initials chips
+
+`social` `comments` `creator` `overlay`
+
+<video className="w-full aspect-video rounded-xl object-cover bg-zinc-100 dark:bg-zinc-800" src="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/yt-comment-card.mp4" poster="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/yt-comment-card.png" autoPlay muted loop playsInline />
+
+## Install
+
+<CodeGroup>
+
+```bash Terminal
+npx hyperframes add yt-comment-card
+```
+
+</CodeGroup>
+
+## Details
+
+| Property | Value |
+| --- | --- |
+| Type | Block |
+| Dimensions | 1920×1080 |
+| Duration | 8s |
+
+## Files
+
+| File | Target | Type |
+| --- | --- | --- |
+| `yt-comment-card.html` | `compositions/yt-comment-card.html` | hyperframes:composition |
+
+## Usage
+
+After installing, add the block to your host composition:
+
+```html
+<div data-composition-id="yt-comment-card" data-composition-src="compositions/yt-comment-card.html" data-start="0" data-duration="8" data-track-index="1" data-width="1920" data-height="1080"></div>
+```
diff --git a/registry/blocks/yt-comment-card/registry-item.json b/registry/blocks/yt-comment-card/registry-item.json
new file mode 100644
index 000000000..97a5bdefd
--- /dev/null
+++ b/registry/blocks/yt-comment-card/registry-item.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "https://hyperframes.heygen.com/schema/registry-item.json",
+  "name": "yt-comment-card",
+  "type": "hyperframes:block",
+  "title": "Comment Cards",
+  "description": "Social comments typing on over footage: avatar pop, username and time, per-character typewriter, likes row; image avatars or initials chips",
+  "tags": [
+    "social",
+    "comments",
+    "creator",
+    "overlay"
+  ],
+  "dimensions": {
+    "width": 1920,
+    "height": 1080
+  },
+  "duration": 8,
+  "files": [
+    {
+      "path": "yt-comment-card.html",
+      "target": "compositions/yt-comment-card.html",
+      "type": "hyperframes:composition"
+    }
+  ]
+}
diff --git a/registry/blocks/yt-comment-card/yt-comment-card.html b/registry/blocks/yt-comment-card/yt-comment-card.html
new file mode 100644
index 000000000..de9ad5720
--- /dev/null
+++ b/registry/blocks/yt-comment-card/yt-comment-card.html
@@ -0,0 +1,312 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
+    <style>
+      *,
+      *::before,
+      *::after {
+        margin: 0;
+        padding: 0;
+        box-sizing: border-box;
+      }
+      body {
+        background: transparent;
+        overflow: hidden;
+      }
+      #yt-cc-root {
+        /* ---- yt tokens: override in the host to re-skin the family ---- */
+        --yt-font: "Inter", -apple-system, sans-serif;
+        --yt-ink: #1d1d1f;
+        --yt-ink-dim: #5a5a5f;
+        /* overlay-scheme text over footage — distinct from the --yt-ink board tokens */
+        --yt-text: #ffffff;
+        --yt-text-dim: rgba(255, 255, 255, 0.72);
+        --yt-red: #e62e2e;
+        --yt-cyan: #35c8d9;
+        --yt-scanline-alpha: 0.04;
+        --yt-scanline-gap: 3px;
+
+        position: relative;
+        width: 1920px;
+        height: 1080px;
+        overflow: hidden;
+        background: transparent; /* overlays footage or a yt-lcd board */
+        font-family: var(--yt-font);
+      }
+      /* optional full-frame LCD pass while comments are up */
+      #yt-cc-scan {
+        position: absolute;
+        inset: 0;
+        display: none;
+        background: repeating-linear-gradient(
+          0deg,
+          rgba(0, 0, 0, var(--yt-scanline-alpha)) 0 1px,
+          transparent 1px var(--yt-scanline-gap)
+        );
+      }
+      #yt-cc-col {
+        position: absolute;
+        display: flex;
+        flex-direction: column;
+        gap: 40px;
+      }
+      .yt-cc-card {
+        display: flex;
+        gap: 22px;
+        align-items: flex-start;
+      }
+      .yt-cc-avatar {
+        flex: none;
+        width: 64px;
+        height: 64px;
+        border-radius: 50%;
+        overflow: hidden;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        font-weight: 700;
+        font-size: 26px;
+        color: #ffffff;
+        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
+      }
+      .yt-cc-avatar img {
+        width: 100%;
+        height: 100%;
+        object-fit: cover;
+      }
+      .yt-cc-meta {
+        display: flex;
+        align-items: baseline;
+        gap: 14px;
+      }
+      .yt-cc-user {
+        font-weight: 700;
+        font-size: 27px;
+      }
+      .yt-cc-time {
+        font-weight: 400;
+        font-size: 23px;
+      }
+      .yt-cc-text {
+        margin-top: 8px;
+        font-weight: 500;
+        font-size: 34px;
+        line-height: 1.35;
+        letter-spacing: -0.01em;
+        max-width: 860px;
+      }
+      .yt-cc-text .ch {
+        opacity: 0;
+      }
+      .yt-cc-row {
+        margin-top: 12px;
+        display: flex;
+        align-items: center;
+        gap: 10px;
+        font-weight: 600;
+        font-size: 22px;
+        opacity: 0;
+      }
+      .yt-cc-row svg {
+        width: 24px;
+        stroke-width: 2.4;
+        stroke-linecap: round;
+        stroke-linejoin: round;
+        fill: none;
+      }
+      .yt-cc-reply {
+        margin-left: 18px;
+        letter-spacing: 0.1em;
+      }
+      /* scheme: overlay (white over footage, w/ shadow) vs light (ink on boards) */
+      .yt-overlay .yt-cc-user,
+      .yt-overlay .yt-cc-text {
+        color: var(--yt-text);
+        text-shadow: 0 2px 16px rgba(0, 0, 0, 0.55);
+      }
+      .yt-overlay .yt-cc-time,
+      .yt-overlay .yt-cc-row {
+        color: var(--yt-text-dim);
+        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
+      }
+      .yt-overlay .yt-cc-row svg {
+        stroke: var(--yt-text-dim);
+      }
+      .yt-light .yt-cc-user,
+      .yt-light .yt-cc-text {
+        color: var(--yt-ink);
+      }
+      .yt-light .yt-cc-time,
+      .yt-light .yt-cc-row {
+        color: var(--yt-ink-dim);
+      }
+      .yt-light .yt-cc-row svg {
+        stroke: var(--yt-ink-dim);
+      }
+    </style>
+  </head>
+  <body>
+    <div
+      id="yt-cc-root"
+      data-composition-id="yt-comment-card"
+      data-start="0"
+      data-duration="8"
+      data-width="1920"
+      data-height="1080"
+    >
+      <div id="yt-cc-scan"></div>
+      <div id="yt-cc-col"></div>
+      <div
+        id="yt-cc-drv"
+        class="clip"
+        data-start="0"
+        data-duration="8"
+        data-track-index="0"
+        style="position:absolute;width:1px;height:1px;opacity:0;pointer-events:none"
+      ></div>
+    </div>
+    <script>
+      (function () {
+        window.__timelines = window.__timelines || {};
+
+        /* ---- published parameters (inspector-style CONFIG) ----
+           Social comments typing on over footage — creator-style
+           comment cards. avatar: image path, or null -> initials chip. */
+        var CONFIG = {
+          scheme: "overlay", // "overlay" (white over footage) | "light" (ink on boards)
+          comments: [
+            {
+              avatar: null,
+              initials: "PW",
+              avatarHue: 210, // initials-chip hue when no image
+              username: "@pixelwaves",
+              time: "2 days ago",
+              text: "Your videos are the best!",
+              likes: 47,
+            },
+            {
+              avatar: null,
+              initials: "FR",
+              avatarHue: 340,
+              username: "@framerate",
+              time: "1 day ago",
+              text: "That camera move at 0:12 though 🔥",
+              likes: 12,
+            },
+          ],
+          x: 140,
+          y: null, // null = vertically centered
+          typeCharDelay: 0.024, // s per character (capped so a comment types <= 2.2s)
+          scanlines: false, // full-frame LCD pass while comments are up
+          animationIn: true,
+          animationOut: true,
+        };
+
+        var DUR = 8;
+        function clamp(v, lo, hi) {
+          return Math.min(hi, Math.max(lo, v));
+        }
+        var OUT = clamp(DUR * 0.06, 0.25, 0.6);
+
+        var root = document.getElementById("yt-cc-root");
+        var col = document.getElementById("yt-cc-col");
+        root.classList.add(CONFIG.scheme === "light" ? "yt-light" : "yt-overlay");
+        if (CONFIG.scanlines) document.getElementById("yt-cc-scan").style.display = "block";
+
+        var THUMB =
+          '<svg viewBox="0 0 24 24"><path d="M7 11v9M7 11l3.2-6.4a2 2 0 0 1 3.6 1.2V9h4.6a2 2 0 0 1 2 2.4l-1.2 6a2 2 0 0 1-2 1.6H7M7 11H4a1 1 0 0 0-1 1v7a1 1 0 0 0 1 1h3"/></svg>';
+
+        /* build cards */
+        CONFIG.comments.forEach(function (c, i) {
+          var card = document.createElement("div");
+          card.className = "yt-cc-card";
+          card.id = "yt-cc-card-" + i;
+
+          var av = document.createElement("div");
+          av.className = "yt-cc-avatar";
+          av.id = "yt-cc-av-" + i;
+          if (c.avatar) {
+            var img = document.createElement("img");
+            img.src = c.avatar;
+            av.appendChild(img);
+          } else {
+            av.textContent = c.initials || "?";
+            av.style.background =
+              "linear-gradient(135deg, hsl(" + (c.avatarHue || 210) + ", 62%, 52%), hsl(" + ((c.avatarHue || 210) + 40) + ", 62%, 42%))";
+          }
+          card.appendChild(av);
+
+          var body = document.createElement("div");
+          var meta = document.createElement("div");
+          meta.className = "yt-cc-meta";
+          meta.id = "yt-cc-meta-" + i;
+          var user = document.createElement("span");
+          user.className = "yt-cc-user";
+          user.textContent = c.username;
+          var time = document.createElement("span");
+          time.className = "yt-cc-time";
+          time.textContent = c.time || "";
+          meta.appendChild(user);
+          meta.appendChild(time);
+          body.appendChild(meta);
+
+          var text = document.createElement("div");
+          text.className = "yt-cc-text";
+          text.id = "yt-cc-text-" + i;
+          Array.from(c.text).forEach(function (ch) {
+            var span = document.createElement("span");
+            span.className = "ch";
+            span.textContent = ch;
+            text.appendChild(span);
+          });
+          body.appendChild(text);
+
+          var row = document.createElement("div");
+          row.className = "yt-cc-row";
+          row.id = "yt-cc-row-" + i;
+          row.innerHTML = THUMB + "<span>" + (c.likes || 0) + '</span><span class="yt-cc-reply">REPLY</span>';
+          body.appendChild(row);
+          card.appendChild(body);
+          col.appendChild(card);
+        });
+
+        /* position (measure after building) */
+        col.style.left = CONFIG.x + "px";
+        var rect = col.getBoundingClientRect();
+        col.style.top = (CONFIG.y === null ? Math.round((1080 - rect.height) / 2) : CONFIG.y) + "px";
+
+        var tl = gsap.timeline({ paused: true });
+
+        /* comments enter sequentially: avatar pops, meta fades, text types, row fades */
+        var t = CONFIG.animationIn ? 0.3 : 0;
+        CONFIG.comments.forEach(function (c, i) {
+          var av = "#yt-cc-av-" + i,
+            meta = "#yt-cc-meta-" + i,
+            row = "#yt-cc-row-" + i;
+          var chars = document.querySelectorAll("#yt-cc-text-" + i + " .ch");
+          var delay = Math.min(CONFIG.typeCharDelay, 2.2 / Math.max(1, chars.length));
+
+          gsap.set(av, { opacity: 0, scale: 0.5 });
+          gsap.set(meta, { opacity: 0, y: 10 });
+          tl.to(av, { opacity: 1, scale: 1, duration: 0.45, ease: "back.out(1.6)" }, t);
+          tl.to(meta, { opacity: 1, y: 0, duration: 0.4, ease: "power2.out" }, t + 0.12);
+          t += 0.4;
+          tl.to(chars, { opacity: 1, duration: 0.02, stagger: delay, ease: "none" }, t);
+          t += chars.length * delay + 0.15;
+          tl.to(row, { opacity: 1, duration: 0.35, ease: "power2.out" }, t);
+          t += 0.5;
+        });
+
+        /* exit + hard kill (auto-scaled out) */
+        if (CONFIG.animationOut) {
+          tl.to(col, { opacity: 0, y: -18, duration: OUT, ease: "power2.in" }, DUR - OUT - 0.05);
+        }
+        tl.set(root, { visibility: "hidden" }, DUR - 0.02);
+
+        window.__timelines["yt-comment-card"] = tl;
+      })();
+    </script>
+  </body>
+</html>
diff --git a/registry/registry.json b/registry/registry.json
index b78841767..9e1665bca 100644
--- a/registry/registry.json
+++ b/registry/registry.json
@@ -567,6 +567,10 @@
       "name": "yt-lcd-background",
       "type": "hyperframes:block"
     },
+    {
+      "name": "yt-comment-card",
+      "type": "hyperframes:block"
+    },
     {
       "name": "parallax-zoom",
       "type": "hyperframes:component"
