Blaziken Mask: A mysterious masked man keeping the peace of Lumiose City. What is his real identity...?!
The Team Rocket robot MegaMegaMega Mega Meowth rampages! When Ash and friends can't seem to do anything against it's considerable strength, Mega Blaziken appears!! Does Mega Evolution truly hold the key to the battle?!
Team Rocket's goal is Professor Sycamore, who is studying Mega Evolution!!
Professor Sycamore was caught!!
Since he knows a lot about it, Team Rocket attempt to have Prof. Sycamore the secrets of Mega Evolution! They intend to obtain its fearsome power and use it for evil!!
MegaMegaMega Mega Meowth is complete!!
With the stolen research data, MegaMegaMega Mega Meowth is completed!! Will it spell big trouble for not only Ash and friends, but the entire Kalos region too?!
Wherever there's trouble in Lumiose City, they will always appear! Mega Blaziken and Blaziken Mask! Are they the only pair that can stop Team Rocket?!
Mega Blaziken and Blaziken Mask save Ash?!
Ash: 'We're not giving up either!! '
MegaMegaMega Mega Meowth details: 'It has a cord coming out of its backside, which leads to Team Rocket's base.' 'Is this its weakness?!'; It has very powerful arms, with strong claws; Electric-type moves bounce off it; and Meowth is in it, controlling it. '
「竹林の追跡！ヤンチャムとゴロンダ!!」 Pursuit in the Bamboo Forest! Yancham and Goronda!! will air Dec. 19.
A group of Pancham are lured to Ash and friends' lunch, with Team Rocket showing up.
「ポケモンバイヤーを捕まえろ！コフーライ偽装作戦!!」 Capture the Pokemon Buyer! The Kofurai Impersonation Plan!! will air Jan. 9, 2014.
Spewpa and Scatterbug are targeted by hunters.
「ニンフィアVSケロマツ！幼稚園は大さわぎ!!」 Nymphia VS Keromatsu! Big Commotion in the Kindergarten!!" will air Jan. 16.
Froakie and Sylveon battle, with Sylveon using Draining Kiss, Attract, and Moonblast.
「ぶきみな雨宿り！ニャスパーは見ていた!!」 The Mysterious Rain Shelter! Nyasper Saw it!! will air Jan. 30.
Ash and his friends enter a creepy mansion to get out of the rain. Espurr is inside of the mansion.
{News Source:BulbaPedia}

Good.

Sorry to credit the News Source:
Its from Bulbapedia.

MEGA MEOWTH?

I think it will refer to Machine made by mewoth.

Oh thanks god

OKay.

OKay

New Info About Episodes Leaked:
Early information about upcoming events in Pocket Monsters XY have been unveiled in the McDonald's Pokédex book. On Dec. 31, there will be a New Years special that will showcase upcoming adventures in the series.
Translation of the scan:
Ash and Clemont re-battle?!
When Ash gets his fourth Gym Badge, he decides to challenge the Lumiose Gym. Clemont is the Lumiose Gym Leader. They will battle once again?!
A rival for Ash?! Frogadier and Sampei appear!!
Ash and friends meet Sampei, a trainer with a Frogadier, Froakie's evolved form. Will that one meeting change the destiny of Ash's Froakie...?
Team Rocket in big trouble?! What is the aim of the terrifying Malamar?!
A Malamar appears in front of Team Rocket, who are always troubling Ash and friends! The mysterious light it emits spells big trouble not just for Team Rocket, but Ash and friends too...?!
Pikachu Short With M17:
The 17th Pokémon movie's accompanying Pikachu short announced, along with a trailer for the 17th movie The Cocoon of Destruction. The 17th movie will focus on Mega Evolution and Yveltal.
「ピカチュウ、これなんのカギ？」 Pikachu, What Kind of Key Is This? will feature Pikachu and Dedenne, along with Chespin, Fennekin, Froakie and a Klefki. This short will air alongside the 17th movie, which debuts in Japanese theaters on July 19, 2014.

Wow, new episodes.
I love watching them.Watched 8 episodes.

They are good by angle of animation.
I am waiting for dub.

I didn't see a single XY episode in Sub

I am waiting for English dub.

Same here.