NY1 VIDEO: In exclusive web-only extras, watch They Might Be Giants talk about the craziness of the East Village scene in the 1980s; how John Flansburgh took his mom to "impossibly weird" performances; the band's first time playing in front of other people; how "Married to the Mob" made their first video possible; the terror of playing "The Tonight Show;" getting accosted by science teachers and paleontologists; and a tender epiphany backstage.