The Pyramid at the End of the World - S10-E8
Visible crew/equipment: Right before the TARDIS materializes in the lab at Agrofuel, there's an overhead shot of Erica at the desk, and the two green tape X marks on the floor behind her are visible, precisely where Douglas had collapsed and his white protective gear should be. Note there's an earlier overhead shot of the same area before the incident, when Erica brings Douglas the coffee, and those tape marks are not there. (00:32:50)
Tsuinzu gâdo - S1-E5
Other mistake: Van transfers the bunch of condiments from the cart to the table. Amongst said condiments, a big jar of "MASTARD." (00:07:00)