Peter Banifaz

Another couple upstages Greg and Jen's parental skills when they take Lark on her first aeroplane trip. Joan and John try to smuggle their dog onto the plane. Matt and Colleen miss their flights.

When an affluent school teacher is found dead in an abandoned bookstore, the teachers and students at her school become suspects in the case. Meanwhile, Brennan’s publisher encourages her to join Twitter to help grow her fan base, and “squintern” Jessica Warren teaches Brennan some tricks to master the Twitter-verse, skills Brennan enthusiastically puts to use.

Murtaugh and Riggs respond to the murder of an escaped patient of Dr. Cahill's who mysteriously goes off the rails. The investigation brings to light a hidden scheme far bigger than they imagined. Meanwhile, Riggs' anger gets the better of him once again.

Selina helps monitor the first free and democratic election in Georgia - the country, not the state – and is reunited with an old "friend". Meanwhile, Mike and Gary hide evidence of a major mishap, and Jonah and Richard have an eventful night out.

The team travels to Morocco in the hope of finding a retired couple from Idaho who were abducted on a cruise.