Daniel desensitizes his African successor and contemplates suicide, plus the world's greatest Nerf dunker gets a web redemption.
The gang's faith is tested as Charlie's mom combats cancer.
At Barney's future wedding, everyone remembers when they made Ted go after a girl who'd gotten away.
Harry Kim experiences strong senses of deja vu in an unknown region of space. He soon learns that he is native to this region and that he is T'Karian, not human.