What on Earth Is Wrong?

Summary

John begins to doubt Molly's mental state when the validity of her pregnancy is questioned. Meanwhile, Ethan suffers a serious setback, and John and Julie disagree over how to care for him.

Guest stars

• Tyler Hilton as Charlie Arthurs
• Jeff Schine as Ray
• Sam Golzari as Danny
• Joshua Malina as Dr. Gavin Beck
• Elaine Ann Hu as Valerie
• Eric Pumphrey as Russel
• Valentina Garcia as Nurse
• Sergio Harford as Marcus Dawkins
• Doug Simpson as Chief Tech Davis
• Louis Gossett Jr. as Quinn