S3E10 The Grab Start of Hope!

The Grab Start of Hope! (希望のグラブスタート！ Kibou no Gurabusutaato！) is the tenth episode of season three of the Free! anime and the thirty-fifth episode of the overall series. It aired on September 12, 2018.

Synopsis
The Iwatobi Swim Club heads to Tokyo for the national tournament that Rei and Nagisa are participating in. Rei is quite nervous, but an unexpected reunion with someone from his past gives him courage. Later, when he stands at the starting block for his race, he bonds with all of his teammates, old and new, and says he'll do the best butterfly he is capable of. And so ends Nagisa and Rei's last summer as high school swimmers.

Characters
List of characters in order of appearance: