* [[HeyItsThatGuy Hey, It's That Act!]]: Quite a few acts appeared previously on other talent shows, including:
** Kelli Glover from ''Series/AmericanIdol''
** Alice Tan Ridley, At Last, and Sideswipe, among others, from the short-lived FOX series ''30 Seconds to Fame''.
** Strikers All-Stars, Ring Masters, and Status Quo (as SQ Entertainment) from ''America's Best Dance Crew''
** Also works in the reverse with AGT acts appearing on other shows -- most notably Jabbawockeez on ''America's Best Dance Crew''. One of the guys from Sideswipe also later landed a starring role in ''Series/KamenRiderDragonKnight''.
** Professor Splash appeared in one of the clips on an episode of ''[[Series/TheSmokingGunPresentsWorldsDumbest The Smoking Gun Presents World's Dumbest Daredevils]]'' and Busty Heart appeared on Would's Dumbest Performers.
*** Busty Heart had previously appeared on The Man Show, years before.
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