Recap episode.

Previously an assistant of Lumiose City's Professor Platane, Alain and his Lizardon set off on a journey to become even stronger, by mastering the powers of mega evolution. Investigating the mysteries of this phenomenon, at the behest of the enigmatic Fleur-de-lis, Alain and Lizardon travel across Kalos and Hoenn in search of capable trainers who can use mega evolution in order to improve, as well as help Fleur-de-lis with his research. Along the way, they meet a young girl named Manon who, with her Harimaron, decide to accompany Alain, to which he reluctantly agrees. Pokemon XY: Mega Evolution follows Alain and Lizardon in their journey to become the strongest users of mega evolution, while also fighting against legendary monsters to protect the ambitions of Fleur-de-lis as well as the safety of those most important to him.

Situated near the local zoo and owned by the charismatic polar bear Shirokuma, Shirokuma Cafe is a popular spot for animals and humans alike, allowing them to sit back and relax after a hard day of work. Whether it's a cold beverage or the latest item on his menu, Shirokuma finds joy in being able to serve his customers, often striking up conversations about various subjects. Together with the sarcastic Penguin and the clumsy Panda, they form an odd trio who get themselves caught up in all sorts of misadventures with their other friends such as Grizzly, a bar owner, and Sasako, a human who works at the cafe. From dealing with unrequited love, outdoor camping trips, karaoke sessions, and even the secret to brewing delicious coffee, there's always something bound to be happening in Shirokuma Cafe!

In the underground Diamond Domain, where many Carbink live, the Mythical Pokémon Diancie serves as ruler. The Holy Diamond that sustains the land is beginning to fall apart, and Diancie is not yet strong enough to create a new one. While seeking help from the Legendary Pokémon Xerneas, Diancie encounters a group of thieves who want to take control of its diamond-producing power–and who awaken the Legendary Pokémon Yveltal from its cocoon in the process! Can Satoshi and his friends help Diancie discover its true power, stop Yveltal’s rampage, and save the Diamond Domain? (Source: Official site)