You hear the TARDIS materializing and you’re like (17th gif):

You rush outside to see the Doctor (5th gif):

….

He offers for you to come along (29th gif):

:OOOOOOOOOOOOOO

You land on a strange planet and the first thing you see is (1st gif):

Okkkk…

Time to help the Doctor! Your approach as a companion is (8th gif)

Angry?

You run into Captain Jack (4th gif):

Excitteedddd

Finally! You come face to face with the evil villain (20th gif):

You defeat the villain! (50th gif):

… Ok then ;D 

You return back to the TARDIS and fly home. The Doctor says he can’t let you stay with him. Your reaction is (33rd gif):

Awkwarddddd

As the TARDIS fades away (19th gif):

Your life now (26th gif):

Not impressed