Dmitry Chepovetsky

The agents confront an unearthly force that is causing them to age rapidly.

Mulder is taken hostage by a man who claims his boss is literally a monster.

Sarah takes the day off to reconnect with Kira while Cosima infiltrates an exclusive Neolutionist fertility research center.

When Team Arrow learns what Damien Darhk's devastating next move is, Felicity realizes she needs to ask her father, Noah Kuttler (Tom Amandes), for help. Noah and Oliver have a heart to heart talk that leaves Oliver rattled.

While Astrid is away on a business trip, James struggles to keep the Tooth Fairy tradition alive.

When Felix shows signs of pre-teen rebellion, Astrid and James realize that this next phase of parenting might be the hardest one yet.