In his first week at the clinic, Harry struggles to diagnose a strange feeling: human emotion.

On the verge of completing his mission, Harry faces his own humanity.

Harry the alien is back on Earth and doesn't remember who he is, and only Asta can keep him safe.

It's a surprise party as everyone gathers to celebrate Harry, but some dangerous guests cause havoc.

Harry comes face to face with his greatest enemy and makes a choice that may affect Earth forever.

In an attempt to gather information on the Grey Aliens, Harry puts Asta in harm's way.

Harry and Asta team up with an unlikely ally to try to save the Earth.