Adam and Jamie compete against each other in a series of challenges to see who is the Ultimate Mythbuster. Test 1: Engineering; create a device to launch a tortilla as far as possible without destroying it Test 2: Estimation; estimate the weight of 3 different objects looking at them and then taking them with their hands Test 3: Fear; they have to hold creepy creatures without getting scared. Test 4: Creative Thinking; they have to build the classic "Egg Drop Device" to protect the egg from the fall. Test 5: Pain; they'll have to stand the pain caused by paint balls. Test 6: Memory; they have to test each other with a 6-question quiz about the myths they've tested.