A series of dots and dashes! Andrew & Polly dive deep (via SUBMARINE) into the world of BEEPS! Topics include Morse code, robot toast, traffic feelings, the Pony Express, submarines, and some nonsense about beets. Experts include Polly's dad, Pops and Eric Morrill, PhD in visual studies. Thanks to Grey and Georgia the Greats, Ace the Ace, Darby the Delightful, Phenomenal Palmer, Cool Cool Collin, Darlin' Devin, and the incomparable Izzy Robbins. Special thanks to Steven C. Phillips who created the free Morse Code generator we used. Try it yourself at scphillips.com!