Become a fan on facebook: Episode 16: Zach Galifianakis sits down with Justin Bieber for an interview no one will ever .\r<br>\r<br>Subscribe now: Episode 18: President Barack Obama sits down with Zach Galifianakis for .\r<br>\r<br>Justin Bieber on Between Two Ferns with Zach Galifianakis gets spanked and whipped with a belt and addresses Selena Gomez and Anne Frank controversy.\r<br>\r<br>Subscribe now: Episode 19: Brad Pitt sits down with Zach Galifianakis for his second most .
