Shark Tank Season 4 Episode 12 January 3, 2013 News, Shark Tank Shark Tank Season 4 episode 12 airs tonight Friday, Jan 4 2013 (8:00-9:00 p.m., ET) on the ABC Television Network. Episode Synopsis: Mark Cuban and Lori Greiner ring in 2013 by offering an entrepreneur $1 million to invest in the business. Also, the Sharks are surprised when an engineer from Poway, CA has trouble explaining the financial aspects of his enclosed tabletop food screen; and two longtime buddies from San Luis Obispo, CA combine their favorite pastimes — drinking beer and playing arcade games — into one cabinet. A man from Tyler, TX pitches a revolutionary peel-off face paint transfer; and a mom from Castle Rock, CO has developed a baby and children’s line of hair care products without harsh chemicals. In a follow up segment, Keeley Tillotson & Ericka Welsh from Eugene, OR give an update on their Squirrel Nut Butter natural peanut butter which Barbara invested in during Season 3, on “Shark Tank,” FRIDAY, JANUARY 4 (9:00-10:01 p.m., ET) on the ABC Television Network.