Gamespot put a preview of the first episode online (read it, it's good!), and they mention all the episode names. I didn't see this mentioned anywhere on this forum, so here you go:
- Fright of the Bumblebees
- The Last Resort
They even say the game is ready already, so I guess we won't have to wait long to start our adventures. I can taste the honey already!
More here: http://www.gamespot.com/xbox360/adventure/wallaceandgromitsgrandadventures/news.html?sid=6205329part=rsstag=gs_previewssubj=6205329p