There are 2 knights that can be seen charging on horseback with their lances and then they fight hand to hand combat.

The knight can be seen fighting the scary dragon.

None.

The talking caterpillar can be seen smoking a pipe.

There is a scary dragon in part 2 which causes Alice to panic and scream and run away.

The train can be seen going way too fast and Alice decides to pull on the goats beard to stop the train and get off.