In Season 1 Clay's "go to" subject for his impromptu sketches was a bunny rabbit. It was also established by his room decor that he's got a fascination with robots. In this episode he's working on a graffiti art piece and it includes a robotic rabbit.
Season 2 takes place five months after the events of season 1.
Amy Hargreaves (Lainie Jensen) & Jake Weber (Barry Walker) both worked on four episodes of Homeland (2011) together as Maggie Mathison & Brett O'Keefe respectively.
Steven Weber (Principal Gary Bolan) & Justin Prentice (Bryce Walker) both appeared in episode 2.17, Reflections of the Way Liv Used to Be (2016) of iZombie (2015) as Vaughn Du Clark and Brody Johnson respectively.
Alisha Boe (Jessica Davis) and Ross Butler (Zach Dempsey) also appeared together on two episodes of Teen Wolf (2011) as Gwen & Nathan respectively.