diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index 74c48057c9..35b697ca17 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -2130,6 +2130,9 @@ function wp_ajax_revisions_data() {
 	if ( 0 != $single_revision_id ) {
 		$right_revision = get_post( $single_revision_id );
 
+	if ( 0 == $compare_to )
+			$left_revision = get_post( $post_id );
+
 	// make sure the right revision is the most recent
 	if ( $compare_two_mode && $right_revision->ID < $left_revision->ID ) {
 		$temp = $left_revision;
@@ -2155,7 +2158,8 @@ function wp_ajax_revisions_data() {
 			if ( ! empty( $show_split_view ) )
 				 $args = array( 'show_split_view' => true );
 
-			$diff = wp_text_diff_with_count( $left_content, $right_content, $args );
+			// compare_to == 0 means first revision, so compare to a blank field to show whats changed
+			$diff = wp_text_diff_with_count( ( 0 == $compare_to) ? '' : $left_content, $right_content, $args );
 
 			if ( isset( $diff[ 'html' ] ) )
 				$content .= $diff[ 'html' ];
@@ -2185,6 +2189,7 @@ function wp_ajax_revisions_data() {
 	$revisions = array_reverse( $revisions );
 
 	$previous_revision_id = 0;
+
 	foreach ( $revisions as $revision ) :
 		//error_log( ( $show_autosaves  ));
 		if ( empty( $show_autosaves ) && wp_is_post_autosave( $revision ) )
@@ -2269,7 +2274,7 @@ function wp_ajax_revisions_data() {
 			$revision_from_date_author = $revision_date_author;
 			$revision_date_author = $tmp;
 		}
-		if ( ( $compare_two_mode || 0 !== $previous_revision_id ) ) {
+		if ( ( $compare_two_mode || -1 !== $previous_revision_id ) ) {
 			$alltherevisions[] = array (
 				'ID' => $revision->ID,
 				'revision_date_author' => $revision_date_author,
diff --git a/wp-admin/js/revisions.js b/wp-admin/js/revisions.js
index 6ac4b86e9e..305919869e 100644
--- a/wp-admin/js/revisions.js
+++ b/wp-admin/js/revisions.js
@@ -424,19 +424,22 @@ window.wp = window.wp || {};
 			// render the revisions
 			render: function() {
 				var addHtml = '';
+				var thediff;
 				// compare two revisions mode?
 
 				if ( 2 === REVAPP._compareOneOrTwo ) {
+
 					this.comparetwochecked = 'checked';
 					if ( this.draggingLeft ) {
-							if ( this.model.at( REVAPP._leftDiff ) ) {
+						thediff = REVAPP._leftDiff -1;
+						if ( this.model.at( thediff ) ) {
 							addHtml = this.template( _.extend(
-								this.model.at( REVAPP._leftDiff ).toJSON(),
+								this.model.at( thediff ).toJSON(),
 								{ comparetwochecked: this.comparetwochecked } // keep the checkmark checked
 							) );
 						}
 					} else { // dragging right handle
-						var thediff = REVAPP._rightDiff;
+						thediff = REVAPP._rightDiff -1;
 						if ( this.model.at( thediff ) ) {
 							addHtml = this.template( _.extend(
 								this.model.at( thediff ).toJSON(),
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index 1bd0c6736c..41b3096491 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -1426,7 +1426,7 @@ function wp_list_post_revisions( $post_id = 0, $args = null ) {
 	// The following removes that revision when $parent == false
 	$parent_included = _wp_last_revision_matches_current_post( $post_id );
 	if ( $parent_included && ! $parent )
-		array_pop( $revisions );
+		array_shift( $revisions );
 	elseif ( ! $parent_included && $parent )
 		array_unshift( $revisions, $post );
 
@@ -1436,7 +1436,7 @@ function wp_list_post_revisions( $post_id = 0, $args = null ) {
 	foreach ( $revisions as $revision ) {
 		if ( !current_user_can( 'read_post', $revision->ID ) )
 			continue;
-		
+
 		$is_autosave = wp_is_post_autosave( $revision );
 		if ( ( 'revision' === $type && $is_autosave ) || ( 'autosave' === $type && ! $is_autosave ) )
 			continue;