Patrick Cox

Ed Mercer's enthusiasm about his promotion to captain dampens when his ex-wife, Kelly, gets assigned to be his first officer; an alien race ambushes the crew in an attempt to steal a time-accelerating device.

Tori tests herself by performing unusual physical challenges; Andre and Robbie lose a bet to Jade.

Max and Caroline's attempt to break Nash (recurring guest star Austin Falk) into the modeling business comes to a screeching halt when his mother (guest star Tasha Ames – The Fosters, Switched at Birth) arrives from Ireland to retrieve her son. Recurring guest star Sandra Bernhard appears as Joedth, owner of The High.

In the fourth season finale, Max and Caroline are tasked with retrieving Sophie's wedding dress from customs and safely transporting it to the church in time for her big wedding.

A heavy body is found forty feet up a tree surrounded by marijuana when Dr. Morales shows up with his father, a retired detective from Uruguay; Julio Sanchez works to get legal guardianship of Mark Jarvis; Andy Flynn prepares a surprise for Sharon.

Caroline goes into a tailspin and brings Max into the mix when Nicolas (recurring guest star GILLES MARINI) tells her he's going to leave his wife for her.