Resident Alien, The Lonely Man

In the season four premiere, Harry must escape an outer space prison to stop a dangerous threat in town.

Harry and Asta work together to try to get something Harry desperately needs.

Harry and D'arcy travel to an unexpected place to recover an alien device left behind by his people.

Harry and Heather reunite, but their relationship is more complicated than ever.

Harry struggles to find balance with his new human form as he struggles to bond with his son; D'arcy wants to adopt a dog, while Ben and Kate invite Sheriff Mike and Liv to dinner.

Harry is brought in front of The Galactic Housing Council to answer for his crimes.

Harry has to prove himself to someone from his past.

Harry enlists an unlikely ally to help him save Patience.

With lives hanging in the balance, Harry is put to the test.

In the nail-biting season finale, Harry faces one final threat that forces him to use more than just his alien strength.