Transformers Trilogy (DVD) for $17.99 or (Blu-ray) for $29.99 shipped. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. This trilogy contains Transformers, Transformers: Revenge of the Fallen, and Transformers: Dark of the Moon. Most places have the DVD set for about $24 and the Blu-ray set for about $39.