Houdini & Doyle (2016)

S8E13 Band or DJ?

Title: Band or DJ? Plot: After discovering that Barney failed to ask her father's blessing before his proposal, Robin insists he must seek her dad's approval before they can share the news of their engagement. At the same time, Ted buries his emotions by immersing himself in the wedding preparations, trying to distract himself from the turmoil beneath the surface.