The queen of children’s edutainment is back after four very long months, with her most extraordinary, envelope-pushing and moving special yet. Cue absolute relief for parents the world overFor those whose cultural experiences are largely absorbed through the prism of their mewling infants’ demands for the same thing 437 times in a row, it’s been a long four months. In late October last year, Rachel Accurso released Brush Your Teeth Song with Ms Rachel and Elmo. The 48m views it has since racked up reflect its status as a solid addition to the Ms Rachel canon, and the whole thing is obviously enhanced by Elmo’s guest spot. But it was studded with reheated clips from previous compilations, such as The Wheels on the Bus from Blippi & Ms Rachel Learn Vehicles, and It’s Potty Time from Potty Training With Ms Rachel. There is a limit to the number of plays an adult can reasonably be expected to endure of a bear puppet in a nappy hymning his ability to relieve himself, and the Ms Rachel h...