The Caterpillar cake war: Aldi’s launch of Cuthbert wasn’t just a cake - it was a challenge. The lookalike caterpillar sparked a supermarket row, turning dessert into a headline-grabbing legal fight. WATCH: Aldi vs M&S: Battle of the Brands on 10 March at 8PM #Aldi #MarksAndSpencers #CaterpillarCake #channel4