0:23 -- Bilbo's reaction to Gandalf's arrival
1:57 -- Bilbo hiding behind a tree in Mirkwood
1:59 -- Gandalf, the dwarves, and Bilbo running through a forest
2:26 -- Scene now cuts before Gollum's sparsely-haired testicles can be seen clearly dangling below his loincloth.
I may have some of that wrong, but anyway, here's the trailer: