Where the Wild Kings Are - S1-E5
Visible crew/equipment: When the twins are tied up in Pupaley's cave, just as they get on their knees and beg to be let go, the hand of a crew member holding the end of the rope is visible at the right of the screen. (00:19:25)
Other mistake: When Brady hooks the Tarantula person's leg to trip him, the hockey stick never touches the actor's leg, yet he flips anyway.
Continuity mistake: In the flashbacks to when Boomer was going to sing at school, the audience never changes clothes or seats despite every scene being a new event and year.
Revealing mistake: When the king of Cornea puts on his sunglasses, you can see the set lights, the light rigging and two monitors reflected in them.
Answer: No. Although Mikayla and Mason occasionally referred to the mother, her whereabouts were never revealed.