Complex sentence: Diller stated that it was cancelled because both treatments felt forced and unlike the episodes of "The Original Series" and instead suggested that they returned to the series format and therefore moved forward with a project that would become'.
Split into simpler sentences: Diller stated that it was cancelled because both treatments felt forced and different to the episodes of "The Original Series". He instead suggested that they returned to the series format and therefore moved forward with a project that would become'.