Friends (1994)

S8E15 The One with the Birthing Video

On Valentine's Day, Chandler and Monica experience the wonder of childbirth by viewing an incredibly explicit video. Meanwhile, Ross struggles to keep Rachel's presence at his apartment a secret from Mona, landing himself in deeper trouble. In another twist, Phoebe attempts to lift Joey's spirits, which have sunk due to his lingering feelings for Rachel, by introducing him to the happiest dog in the world.