Google Play have many movie bundles on sale that are half price or better. Note, not all these films are in HD.
- Back To The Future trilogy (HD): $12.99
- DC Universe Collection (HD - 25 animated movies): $99.99
- Fast and the Furious: (7 movies): $32.99
- Bourne collection (5 movies): $32.99
- Star Trek (3 movies): $22.99
- Ice Age (4 movies): $17.99
- Harry Potter (8 movies): $53.99
- Ghost Busters (Original duology and the new one (shivers)): $24.99
- How To Train Your Dragon (2 movies): $14.99
- Teenage Mutant Ninja Turtles (2 movies): $15.99
- The Dark Knight (Batman) Trilogy: $24.99
- …and more. See them all here: https://play.google.com/store/movies/collection/promotion_40…
Cheaper to get them 2nd hand.