Previews for the 90210 episode “Brother from another Mother,” airing February 18 – Annie is furious when Naomi tracks down their long-lost half-brother Mark. Liam may have PTSD after his ordeal with Ashley.
Liam (Matt Lanter) experiences some symptoms of post-traumatic stress disorder while preparing to testify against Ashley (guest star Natalie Morales), while Annie (Shenae Grimes) is furious when Naomi (AnnaLynne McCord) tracks down their half-brother Mark (guest star Charlie Weber), a chef who owns a gourmet food truck.
Wolfgang Puck has a cameo role as a celebrity judge in a cooking competition. Silver (Jessica Stroup) is overbearing with her surrogate Michaela (guest star Lyndon Smith), whom Dixon (Tristan Wilds) discovers has an amazing singing voice. Trevor Donovan, Michael Steger and Jessica Lowndes also star.
Benny Boom directed the episode written by Chris Atwood (#514).