The race toward Barry Allen and Iris West’s wedding is well underway on The Flash season four. It’s shaping up to be at least featured, if not an integral part of the four-way crossover this fall.

The race toward Barry Allen and Iris West’s wedding is well underway on The Flash season four. It’s shaping up to be at least featured, if not an integral part of the four-way crossover this fall.

The race toward Barry Allen and Iris West’s wedding is well underway on The Flash season four. It’s shaping up to be at least featured, if not an integral part of the four-way crossover this fall.

The race toward Barry Allen and Iris West’s wedding is well underway on The Flash season four. It’s shaping up to be at least featured, if not an integral part of the four-way crossover this fall.