OMG this episode was like , totally normal , and then at the end , they just ... OMG DID THAT JUST HAPPEN ? ? So , Donna joined up . Funny that she was actively looking for the Doctor , not many companions do that . But they did go back a bit to the companion forcing themselves aboard bit , although Donna * did * technically get an invite .

Based on the preceding passage, answer the following question How did I feel about the end ?
I was surprised and shocked about the end .