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Tonight’s acts include a quick-change magic act, a hula-hooping marvel who travels on rings, a drummer who can literally drum on anything and a group of waterless swimmers.

Tonight’s acts include a dog who definitely can be taught new tricks, a unicyclist who climbs to new heights, a human hamster who rolls inside a giant wheel, and the return of The Virtuoso, who plays his odd instrument… in space.

Tonight’s acts include a father-daughter rap duo, a young contortionist who can shoot a bow and arrow with her feet, an acrobatic man and his dog, and a double whip-cracking harmonica player.

Tonight’s acts include an operatic construction worker, a man balancing a flaming grill on his chin, a death-defying family circus, and a mother and son hip-hop team.

Celebrity judges Selma Blair, Ken Jeong, Yvette Nicole Brown praise, critique and gong unusually talented and unique performers.

Celebrity judges Alyson Hannigan, Will Arnett and Lil Rel Howery praise, critique and gong unusually talented and unique performers.

Celebrity judges Rob Riggle, Ken Jeong, Kristen Schaal praise, critique and gong unusually talented and unique performers.

Celebrity judges Chris Sullivan, Natasha Leggero and Mark Cuban; a motorcycle-riding dog; a contortionist; a grim reaper with a comic flair; a woman performs tricks with her long tongue.

Celebrity judges Rob Riggle, Ed Helms and Regina Hall.

Celebrity judges Ken Jeong, Chelsea Peretti and Adam Devine.