"IF" stands for "imaginary friends" and it's also the title of a new film from writer and director John Krasinski, who tells Stephen that he made the film for his kids. "IF" opens in theaters on May 17th. #Colbert #JohnKrasinski #IFMovie Subscribe To "The Late Show" Channel: http://bit.ly/ColbertYouTube Watch full episodes of "The Late Show": http://bit.ly/1Puei40 Listen to "The Late Show Pod Show" podcast: https://link.chtbl.com/Awagtx95?sid=yt Like "The Late Show" on Facebook: http://on.fb.me/1df139Y Follow "The Late Show" on X: http://bit.ly/1dMzZzG Follow "The Late Show" on Instagram: http://bit.ly/29wfREj Watch The Late Show with Stephen Colbert weeknights at 11:35 PM ET/10:35 PM CT. Only on CBS. --- Stephen Colbert brings his signature satire and comedy to THE LATE SHOW with STEPHEN COLBERT, the #1 show in late night, where he talks with an eclectic mix of guests about what is new and relevant in the worlds of politics, entertainment, business, music, technology and more. Featuring bandleader Louis Cato and “THE LATE SHOW band,” the Peabody Award-winning and Emmy Award-nominated show is broadcast from the historic Ed Sullivan Theater. Stephen Colbert took over as host, executive producer and writer of THE LATE SHOW on Sept. 8, 2015.