Twilight casts a spell on Spike and tells him to go talk to as many ponies as he can.

Human Rarity. Human Twilight. A lot of build-up. A lot of stimulating, sensational, spurious, sexual slashing.

Love between two very different souls, and a nuclear scare. What could go wrong?

Derpy goes for a check-up at the dentist and gets a rather... unpleasant lecture about health.

Fluttershy "likes" Twilight. Heavy, sexual emphasis on the word "likes".