The duels conclude with the judges having picked which acts go head-to-head in epic dance battles for a spot in the semi-finals; guest judge tWitch decides which acts will battle…

Melissa McCarthy introduces Sa’Miyah and Obin, a daddy and daughter dancing duo; Jack, a philanthropist; Dylan, a baseball expert; London, a jiujitsu world champion; Tessa, a supergirl dancer; and Graham,…