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

Brokenhearted when Asta ends their friendship after discovering the real Harry’s fate, the alien decides to fulfill his original mission.

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.

Harry must escape an outer space prison to stop a dangerous threat in town.