Memorex Presents the Yo Gabba Gabba! It's Time to Dance! Birthday Party! In celebration of Memorex's 50th birthday, the cast of characters from Yo Gabba Gabba! will join us for dancing, presents, birthday cake and more! The party starts at noon Central Daylight Time on Friday, September 9. The party will be available through noon Central Daylight Time on Friday, September 16.