doctor who

1) How does Class meet the conventions of a TV drama series?
Class has some of the conventions of a TV drama series including: episodical narrative 

2) What conventions of the science-fiction genre can you find in the Class trailer? List as many as you can and use NCIS to help you.

space 
alien invasion
time travelling

character
alien who change their appearance to a human form. 

iconography
space suits
space ships 
futuristic weapons
gadgets

3) What other genres are suggested by the trailer (e.g. horror)? Is Class an example of a modern hybrid-genre show?
class is a science fiction horror that is set in a high school which is a teen drama

4) Class is a spin-off from Doctor Who. At what point does the character of the Doctor appear in the trailer?
The doctor appears at the beginning of the show.

5) Who do you think the target audience for Class is? Is this a typical target audience for the science-fiction genre? Give reasons for your answer.
The target audience is a teenagers as the character a teenagers apart from the doctor so its a mainstream audience.