On this week’s The Drill Down podcast, tech IPOs, Harley Davidson goes electric, Amazon rings our bell, Russia hacks the Olympics, all the best from Mobile World Congress, cloned pets! … and much, much more.

RIPT Apparel has two designs on sale today: “Timelord” by RebelArt inspired by Doctor Who and “Wobbly Davidson” by RyanAstle, a mash-up of Doctor Who and Harley-Davidson.

The shirts went on sale at RIPT today, Tuesday, November 12, 2013, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s (through 3XL), women’s, and youth sizes for $10 each. Kids sizes are $10 (Girls, Toddlers, and Onesies); Hoodies for $38 (in Men/Unisex sizes). See images on product page for shirt colors. You can also get the design on coasters for $25; iphone (4/4s & 5) cases for $18; prints 18″x24″ for $20 and 24″x32″ for $40; and headphones for $40. If you purchase both designs, you’ll save $1.