Brian and Ryan tackle: A podcast rehashing the past sends everyone spiralling; Scheana releases a new song; Lala takes the next step toward expanding her family; Ally and James have a tough conversation; Scheana and Sandoval clash over a perceived betrayal. Ariana invites her boyfriend, Dan, on the group's upcoming trip to San Francisco. Katie is accused of spreading cheating rumours about Jax. Scheana's attempt to apologise to Sandoval goes south when he throws a past indiscretion in her face.