The nation’s favourite magic yellow bear has celebrated his 75th birthday — and is heading to town on a celebratory theatre tour. Sooty, Sweep and Soo — and their right-hand man of 25 years Richard Cadell — will be at Newark Palace Theatre on April 8. Sooty and the gang will bring their much-loved mix of chaos, mischief and mayhem to the venue. The trio plan a very special birthday party — but in true Sooty style nothing goes to plan. Sooty gets messy baking the birthday cake, Soo’s trying to find the perfect party dress, and Sweep’s practising his dance moves. Richard Cadell said: “We want al…