"Additional featurettes" refers to extra short videos or documentaries included as special bonuses or add-ons along with a main film or television series. Full definition
EXTRAS: The Blu - ray includes a brief making - of featurette, a pair of additional featurettes on the fight choreography and visual FX, and some deleted scenes. (blog.bullz-eye.com)
Extras include a making - of featurette, as well as additional featurettes on casting, the music and the animation process. (blog.bullz-eye.com)
Running time: 90 minutes Studio: Universal Studios Home Entertainment DVD Extras: Deleted scenes, «The Making of» and a few additional featurettes. (kamwilliams.com)