director September 21, 2019 4:31 am 'Tonight': Chrissy Metz and Jimmy Fallon Improvise a ‘This Is Us' Theme Song “This Is Us” Actress Chrissy Metz give hints about director M. Night Shyamalan’s cameo in season 4 and improvises a theme song for the show with host Jimmy Fallon. US & World Videos 1:04 Hunter Biden plans to sue Fox News 23:59 Teen (Girl) Talk with Chelsey Goodan 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie