The fourth season of GMM introduced the "Taste Test" series where the hosts guess the food in blindfolds, challenge themselves to eat something or compare a particular type of food across different brands. Some of the most popular videos in GMM from this series are the "Bug War Challenge", the "Ghost Pepper Challenge", the "Carolina Reaper Challenge" and the "Sriracha Challenge". Season 5 of GMM brought in "Will It" series, where the hosts try and invent different varieties of a famous type of food with unusual and often increasing levels of disgusting ingredients. The first episode was aired on May 5, 2014 on Cinco De Mayo titled "Will it Taco" where they tried pine needles, baby shampoo and pork blood tacos. The series was also featured in "The Tonight Show Starring Jimmy Fallon" with episodes of "Will it Tea", "Will It S'more", "Will it Hummus", and "Will It Hot Dog".