September 13, 2019 12:18 am 'Tonight': Secret Ingredient With Jennifer Garner and Jim Jefferies Host Jimmy Fallon, actress Jennifer Garner and comedian Jim Jefferies take turns guessing the unusual secret ingredient hidden in each course of a three-course meal. US & World Videos 0:37 Ex-Abercrombie CEO arrested on sex trafficking-related charges 9:07 Selena Gomez and Benny Blanco's sweetest moments 2:13 Real-life ‘Karate Kid' meets his inspiration 2:12 What to expect in court as Trump faces 2020 election charges in DC