The beginner's course "Start Here! Grammatical Foundations for Students of New Testament Greek (A Student-Friendly Video Series)" is available for purchase any time. It is in both video and audio format and can be purchased for download . Currently, CKI is running a sale on this product that allows you to get all of the videos for $30 and the audio for $20! 

As the title suggests, this resource is either video- or audio-oriented.  It is divided up into 6 main lessons and contains around 5+ hours of grammatical instruction. Each lesson consists of a number of short, user- and student-friendly videos (or audio files) and takes note of nearly 200 grammatical concepts that English learners / speakers who want to venture into learning Koine Greek should find helpful. The videos and audio files are available for purchase and download.

Some of the main topics covered, among many other items, are: Nouns, Pronouns, Verbs, Adjectives, Adverbs, Conjunctions, Prepositions, Interjections, Case, Number, Gender, Time, Tense, Aspect, Voice, Mood, Auxiliaries, Finite Verbs, Infinite Verbs, Verbals, Infinitives, Participles, Sentences, Clauses, and Phrases.