Season 9 Episode 9 episode 9 How I Met Your Mother Season 9 Episode 9 'Platonish' Spoilers: Promotional Robin & Ted GIF Photo 10.26.2013. @ 05:50 ShahbazMalik A gif photo for How I Met Your Mother season 9, episode 9 'Platonish' has emerged. Check it out below. Source: CBS Check out the official guide for more spoilers on the episode here. The episode is slated to air Monday, November 11th.