Prof. Sabastian with adopted daugther Michelle. 

Chris, Tiko and Prof Sabastian's adopted daughter. 

Tiko with adopted son Mars. 

Mina, Zack and Sunny's daughter. 

Derek holds his son Asteroid. 

The other twin, Artemis. 

Mercury, Ryan and Daisy's son. 

Sunny with Alan, a twin. 

Jupiter, Ryan and Daisy's son. 

Amy, Ryan and Daisy's daughter. 

Ryan, Marshall's alien son, has become an elder. 

Alex as a teen. 

Lita, Pearly's daughter. 

Darian, Pearly's son. 

Alex, Zoe's son. 

Serena, Zoe's daughter. 

Raye, Sophia and Chandler's daugther. 

Neptune, Sophia and Chandler's son. 

McKenna and Ashley's daughter, Tiffany. That's Stanley with his back turned, he's Uranus' dad. 

Taylor Cavanaugh as a child. 

Uranus and Taylor. 

And Shaun, Maura's adopted son 

Trista, Maura's daugther with Johnny Smith 

Here is Marion, as a teen, she is Maura's adopted daugther.