Complex sentence: "A" is the sixteenth episode and fourth season finale and 51st episode overall of the post-apocalyptic horror television series "The Walking Dead", which aired on AMC on March 30,2014.
Split into simpler sentences: A is the sixteenth episode and fourth season finale and 51st episode overall of the post-apocalyptic horror television series "The Walking Dead". The episode aired on AMC on March 30,2014.