diff --git a/src/applications/nuance/github/NuanceGitHubRawEvent.php b/src/applications/nuance/github/NuanceGitHubRawEvent.php
--- a/src/applications/nuance/github/NuanceGitHubRawEvent.php
+++ b/src/applications/nuance/github/NuanceGitHubRawEvent.php
@@ -91,7 +91,19 @@
   }
 
   public function getComment() {
-    return 'TODO: Actually extract comment text.';
+    if ($this->type == self::TYPE_REPOSITORY) {
+      if ($this->isIssueEvent() || $this->isPullRequestEvent()) {
+        $raw = $this->raw;
+
+        $type = idx($raw, 'type');
+        switch ($type) {
+          case 'IssueCommentEvent':
+            return idxv($raw, array('payload', 'comment', 'body'));
+        }
+      }
+    }
+
+    return null;
   }
 
   public function getURI() {
diff --git a/src/applications/nuance/github/__tests__/NuanceGitHubRawEventTestCase.php b/src/applications/nuance/github/__tests__/NuanceGitHubRawEventTestCase.php
--- a/src/applications/nuance/github/__tests__/NuanceGitHubRawEventTestCase.php
+++ b/src/applications/nuance/github/__tests__/NuanceGitHubRawEventTestCase.php
@@ -51,6 +51,7 @@
       'id' => $event->getID(),
       'uri' => $event->getURI(),
       'title.full' => $event->getEventFullTitle(),
+      'comment' => $event->getComment(),
     );
 
     // Only verify the keys which are actually present in the test. This
diff --git a/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.pull.txt b/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.pull.txt
--- a/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.pull.txt
+++ b/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.pull.txt
@@ -160,5 +160,6 @@
   "pull.number": 2,
   "id": 3740938746,
   "uri": "https://github.com/epriestley/poems/pull/2#issuecomment-194282800",
-  "title.full": "GitHub epriestley/poems Pull Request #2 (Comment)"
+  "title.full": "GitHub epriestley/poems Pull Request #2 (Comment)",
+  "comment": "wub wub"
 }
diff --git a/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.txt b/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.txt
--- a/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.txt
+++ b/src/applications/nuance/github/__tests__/repositoryevents/IssueCommentEvent.created.txt
@@ -97,5 +97,6 @@
   "issue.number": 1,
   "id": 3733510485,
   "uri": "https://github.com/epriestley/poems/issues/1#issuecomment-193528669",
-  "title.full": "GitHub epriestley/poems Issue #1 (Comment)"
+  "title.full": "GitHub epriestley/poems Issue #1 (Comment)",
+  "comment": "comment on issue"
 }