Currently there is not such an option since it closely resembles Cloudera's classroom based training. As explained in the On-Demand overview:
The content and labs of Cloudera OnDemand are similar to what you’d find in our traditional classroom-based courses. The OnDemand solution includes video instruction from Senior Cloudera instructors and access to cloud-based, preconfigured lab environments. Users can access training across our catalog of courses anytime, in a searchable format, maximizing value for the customer and increasing flexibility, all while saving time and reducing costs.
That being said, can you further explain what kind of access you would expect if Cloudera were to offer a trial period?
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