Other mistake: King Boz helps put out a fire with an extinguisher that is not operating; there is no mist exuding from it yet the flames go out.
Long Live the Kings, Part II - S3-E19
Revealing mistake: As Boomer fights Kaita, its obvious to see it's a taller stunt double doing the flips and kicks; Kaita is taller than Boomer in all the other shots but they are eye-to-eye during the fight.
Continuity mistake: Mikayla complains she's defenseless after Boomer throws her machete overboard from the yacht; later in that episode she pulls out a back-up machete to fight the giant toad.
Plot hole: Kings Boomer and Brady had to earn their king rings and the powers contained within, however, King Boz was just handed the ring, yet it kept its power.
Answer: No. Although Mikayla and Mason occasionally referred to the mother, her whereabouts were never revealed.