At 17:21, Brody attacks Korvaka from behind while he's stooped and facing away, but when the scene cuts to a different camera, Korvaka stands facing Brody.
Mick falls into the garbage chute. Brody jumps into the garbage chute. Inside the garbage chute slides the two along with Redbot. No explanation as to how Redbot wound up in the garbage chute.
Brody, Sarah and Preston bury the four-foot diameter Ninja Nexus Prism under a pile of rocks, but instead of laying it flat, they bury it edge up, which by appearance means they first had to bury the Prism three-quarters into the ground first, making a lot of extra work for themselves.