Commentary (6:00 Min.) is a short offering a comedy from director Bobby Miller, who's joined by aging alien "Marty Krite," with the pair offering their thoughts and memories over a small piece of "Critters Attack." If you want to understand why the movie doesn't work, give this uninspired, poorly improvised supplement a listen.
"Engineering Gore: Designing 'Critters'" (8:02 Min., HD) interviews members of the cast and crew, who describe their intention to get back to franchise roots, making "Critters Attack" more ferocious while remaining with puppet technology. Design issues are examined, with mobility a major concern for the production, trying to give the puppeteers something to work with when communicating facial and body movement. The creation of Bianca and Hans is covered, and Miller gives away the secret behind what makes a Krite bounce and roll.
"'Critters': An Out-of-This-World Experience" (6:58 Min., HD) is a victory lap featurette for "Critters Attack," with cast and crew celebrate practical effects and puppetry, discussing actor interactions with the furry creations. The creation of blood and guts is recounted, and cast memories of the shoot are shared (the interviews are recorded on-set), leading a few to highlight their favorite scenes. Miller's contribution to the franchise is celebrated, and footage from the happy set is shared.
"The Critter Ball" (1:55 Min., HD) is a short summary of the climatic Krite attack, with Miller taking inspiration from the previous installments as he worked out the logistics of the rolling eating machine and perfected some minor flinging of green goo.