The fifth episode of the NoSQL Database Podcast, sponsored by Couchbase, explores the integration of big data tools like Apache Spark and Hadoop with NoSQL databases, featuring a discussion with Anand Iyer from Cloudera. The episode delves into the common usage and differences between Hadoop and Apache Spark, including technical aspects such as Map Reduce, and it is available on platforms like Pocket Casts and iTunes. Listeners are encouraged to submit questions via email for future episodes, and additional resources, including developer information related to Couchbase, can be accessed through the Developer Portal.