TAT'S ALL FOLKS. Tattoo artists from a host of reality TV shows will be at the United Ink Summer Vibe Tattoo, Art and Music Festival at Nassau Coliseum, Friday through Sunday. This includes Massapequa's "Gentle" Jay Blondel of Alchemy Tattoo Arts in North Bellmore, who remains in the running on Spike's "Ink Master" season four. You can also meet Big Gus from "Tattoo Nightmares," Joey Tattoo from "Tattoo Rescue," Amy Nicoletto from "LA Ink" and Ali Baker from "Best Ink," plus "Ink Master" alums James Vaughn and Sarah Miller and this season's Halo and Kyle Dunbar.
PREMIERES. Only two shows debut this week, as the networks prepare for May Sweeps. Starting Saturday at 10 p.m., TLC's new "OMG EMT!" follows emergency medical technicians on some of their funnier calls . . . and on Spike's new "Hungry Investors," Sunday night at 10, celebrity chef and author John Besh and "Top Chef: All-Stars" finalist Tiffany Derry have two struggling promising restaurants in various cities compete for investors.