Everyone fights a huge battle at the foot of the Lonely Mountain and Bilbo returns home.
See also: An Unexpected Journey & The Desolation of Smaug.
Refugees set up a temporary camp on the shores of the Long Lake after Laketown is destroyed by Smaug.
Source: Production Video #5
The dwarves who stayed in Laketown travel to Erebor to rejoin the rest of the company.
Gandalf escorts Bilbo back to the Shire after their adventure.
Gandalf says goodbye to Bilbo at the border of Hobbiton.
Bilbo returns to Hobbiton after his adventure only to find that he was presumed dead and all of his possessions are being sold off.