diff --git a/_plugins/youtube.rb b/_plugins/youtube.rb
index 93a7f861e38..4605b57c811 100644
--- a/_plugins/youtube.rb
+++ b/_plugins/youtube.rb
@@ -34,6 +34,7 @@ def render(context)
       uri = URI.parse("https://www.googleapis.com/youtube/v3/videos?id=#{@id}&part=snippet,statistics&key=#{key}")
       json = JSON.parse(Net::HTTP.get(uri))
       raise json['error']['message'] if json['error']
+      raise "YouTube video #{@id} not found" if json['items'].empty?
       item = json['items'][0]
       snippet = item['snippet']
       puts "YouTube video #{@id} found: #{snippet['title']}"
diff --git a/_posts/2017/mar/2017-03-24-tdd-that-works.md b/_posts/2017/mar/2017-03-24-tdd-that-works.md
index 4fed542069c..3e2c6c12b88 100644
--- a/_posts/2017/mar/2017-03-24-tdd-that-works.md
+++ b/_posts/2017/mar/2017-03-24-tdd-that-works.md
@@ -61,8 +61,6 @@ not calculator examples. It's also very _inefficient_, because tests by definiti
 are much more rigid than the code they validate—creating them first will
 cause many re-do cycles until the design is stabilized.
 
-{% youtube R_2AvKDHAWI %}
-
 I've personally [written](https://github.com/yegor256) almost 300,000 lines of code in
 Java, Ruby, PHP, and JavaScript over the last four years, and I have never
 done TDD by the book: "write a test, make it run, make it right." Ever.