Yesterday we brought you Weezer's buggy performance on Nickelodeon's kooky-cool children's show Yo Gabba Gabba. of Montreal will be on today's show (airing 10:30 ET/PT), but it won't be their first Yo Gabba Gabba moment -- the band turned in a song about dental hygiene a season back. It will be the first time the band appears on the show ...