diff --git a/includes/classes/Stats.php b/includes/classes/Stats.php
index a5dae9885e..1d3faf421f 100644
--- a/includes/classes/Stats.php
+++ b/includes/classes/Stats.php
@@ -73,6 +73,14 @@ class Stats {
 	 */
 	protected $nodes = 0;
 
+	/**
+	 * Failed queries and their errors.
+	 *
+	 * @since 5.0.1
+	 * @var string
+	 */
+	protected $failed_queries = [];
+
 	/**
 	 * Makes an api call to elasticsearch endpoint
 	 *
@@ -83,13 +91,29 @@ class Stats {
 	protected function remote_request_helper( $path ) {
 		$request = Elasticsearch::factory()->remote_request( $path );
 
-		if ( is_wp_error( $request ) || empty( $request ) ) {
+		if ( empty( $request ) ) {
+			return false;
+		}
+
+		if ( is_wp_error( $request ) ) {
+			$this->failed_queries[] = [
+				'path'  => $path,
+				'error' => $request->get_error_message(),
+			];
 			return false;
 		}
 
-		$body = wp_remote_retrieve_body( $request );
+		$body   = wp_remote_retrieve_body( $request );
+		$return = json_decode( $body, true );
 
-		return json_decode( $body, true );
+		if ( ! empty( $return['errors'] ) ) {
+			$this->failed_queries[] = [
+				'path'  => $path,
+				'error' => wp_json_encode( $return['errors'] ),
+			];
+		}
+
+		return $return;
 	}
 
 	/**
@@ -292,6 +316,25 @@ public function convert_to_readable_size( $size ) {
 		return round( pow( 1024, $base - floor( $base ) ), 1 ) . $suffix[ $f_base ];
 	}
 
+	/**
+	 * Return all failed queries.
+	 *
+	 * @return array
+	 * @since 5.0.1
+	 */
+	public function get_failed_queries() {
+		return $this->failed_queries;
+	}
+
+	/**
+	 * Clear all failed queries registered.
+	 *
+	 * @since 5.0.1
+	 */
+	public function clear_failed_queries() {
+		$this->failed_queries = [];
+	}
+
 	/**
 	 * Return singleton instance of class
 	 *
diff --git a/includes/partials/stats-page.php b/includes/partials/stats-page.php
index 67cca3ca7c..6a63ca0ac8 100644
--- a/includes/partials/stats-page.php
+++ b/includes/partials/stats-page.php
@@ -25,15 +25,33 @@
 
 Stats::factory()->build_stats();
 
-$index_health = Stats::factory()->get_health();
-$totals       = Stats::factory()->get_totals();
+$index_health   = Stats::factory()->get_health();
+$totals         = Stats::factory()->get_totals();
+$failed_queries = Stats::factory()->get_failed_queries();
 ?>
 
 <div class="error-overlay <?php if ( ! empty( $index_meta ) ) : ?>syncing<?php endif; ?>"></div>
 <div class="wrap metabox-holder">
 	<h1><?php esc_html_e( 'Index Health', 'elasticpress' ); ?></h1>
 
-	<?php if ( ! empty( $index_health ) ) : ?>
+	<?php if ( ! empty( $failed_queries ) ) : ?>
+		<p>
+			<?php esc_html_e( 'It seems some requests to Elasticsearch failed and it was not possible to build your stats properly:', 'elasticpress' ); ?>
+		</p>
+		<ul>
+			<?php foreach ( $failed_queries as $failed_query ) : ?>
+				<li>
+					<?php
+					printf(
+						'<code>%1$s</code>: <code>%2$s</code>',
+						esc_html( $failed_query['path'] ),
+						esc_html( $failed_query['error'] )
+					);
+					?>
+				</li>
+			<?php endforeach; ?>
+		</ul>
+	<?php elseif ( ! empty( $index_health ) ) : ?>
 		<div class="ep-flex-container">
 			<div class="stats-list postbox">
 				<h2 class="hndle stats-list-th"><span><?php esc_html_e( 'Index list', 'elasticpress' ); ?></span><span><?php esc_html_e( 'Health', 'elasticpress' ); ?></span></h2>
diff --git a/tests/php/TestStats.php b/tests/php/TestStats.php
index 0c436a9826..553f084ddc 100644
--- a/tests/php/TestStats.php
+++ b/tests/php/TestStats.php
@@ -8,6 +8,9 @@
 namespace ElasticPressTest;
 
 use ElasticPress;
+use ElasticPress\Elasticsearch;
+use ElasticPress\Indexables;
+use ElasticPress\Stats;
 
 /**
  * Stats test class
@@ -29,10 +32,10 @@ public function set_up() {
 
 		wp_set_current_user( $admin_id );
 
-		ElasticPress\Elasticsearch::factory()->delete_all_indices();
-		ElasticPress\Indexables::factory()->get( 'post' )->put_mapping();
+		Elasticsearch::factory()->delete_all_indices();
+		Indexables::factory()->get( 'post' )->put_mapping();
 
-		ElasticPress\Indexables::factory()->get( 'post' )->sync_manager->reset_sync_queue();
+		Indexables::factory()->get( 'post' )->sync_manager->reset_sync_queue();
 
 		$this->setup_test_post_type();
 
@@ -41,6 +44,8 @@ public function set_up() {
 		global $hook_suffix;
 		$hook_suffix = 'sites.php';
 		set_current_screen();
+
+		Stats::factory()->clear_failed_queries();
 	}
 
 	/**
@@ -65,15 +70,17 @@ public function tear_down() {
 	 */
 	public function testTotals() {
 		$this->ep_factory->post->create();
-		ElasticPress\Elasticsearch::factory()->refresh_indices();
+		Elasticsearch::factory()->refresh_indices();
 
-		ElasticPress\Stats::factory()->build_stats();
+		Stats::factory()->build_stats();
 
-		$totals = ElasticPress\Stats::factory()->get_totals();
+		$totals = Stats::factory()->get_totals();
 
 		$this->assertEquals( 1, $totals['docs'] );
 		$this->assertTrue( ! empty( $totals['size'] ) );
 		$this->assertTrue( ! empty( $totals['memory'] ) );
+
+		$this->assertEmpty( Stats::factory()->get_failed_queries() );
 	}
 
 	/**
@@ -84,13 +91,69 @@ public function testTotals() {
 	 */
 	public function testHealth() {
 		$this->ep_factory->post->create();
-		ElasticPress\Elasticsearch::factory()->refresh_indices();
+		Elasticsearch::factory()->refresh_indices();
 
-		ElasticPress\Stats::factory()->build_stats();
+		Stats::factory()->build_stats();
 
-		$health = ElasticPress\Stats::factory()->get_health();
+		$health = Stats::factory()->get_health();
 
 		$this->assertEquals( 1, count( $health ) );
 		$this->assertEquals( 'exampleorg-post-1', array_keys( $health )[0] );
 	}
+
+	/**
+	 * Test if a failed query is registered if a request returns a WP_Error
+	 *
+	 * @since 5.0.1
+	 * @group stats
+	 */
+	public function test_failed_queries_wp_error() {
+		add_filter( 'ep_intercept_remote_request', '__return_true' );
+
+		$return_wp_error = function () {
+			return new \WP_Error( 'code', 'Message' );
+		};
+		add_filter( 'ep_do_intercept_request', $return_wp_error );
+
+		Stats::factory()->build_stats( true );
+		$failed_queries = Stats::factory()->get_failed_queries();
+		$this->assertSame(
+			[
+				[
+					'path'  => '_stats?format=json',
+					'error' => 'Message',
+				],
+			],
+			$failed_queries
+		);
+	}
+
+	/**
+	 * Test if a failed query is registered if a request returns an Elasticsearch error
+	 *
+	 * @since 5.0.1
+	 * @group stats
+	 */
+	public function test_failed_queries_es_error() {
+		add_filter( 'ep_intercept_remote_request', '__return_true' );
+
+		$return_es_error = function () {
+			return [
+				'body' => wp_json_encode( [ 'errors' => [ 'some error data' ] ] ),
+			];
+		};
+		add_filter( 'ep_do_intercept_request', $return_es_error );
+
+		Stats::factory()->build_stats( true );
+		$failed_queries = Stats::factory()->get_failed_queries();
+		$this->assertSame(
+			[
+				[
+					'path'  => '_stats?format=json',
+					'error' => '["some error data"]',
+				],
+			],
+			$failed_queries
+		);
+	}
 }