Mason McNulty

Claire and Phil embarrass Haley when they drop her off at college. Then, Manny makes Gloria and Jay take a class, and Lily gets into a tussle on her first day of kindergarten.

Swift action is taken by the team when a former Marine and expert sniper with connections to the leader of an extremist group escapes from a veterans' hospital. The case brings back memories of Kensi's sharpshooting days.

The Glee Club performs Billy Joel songs. Meanwhile, the seniors plan for their futures as graduation approaches.

Twenty-three members of an American church group disappear in Tanzania, and the International Response Team are sent to investigate alongside the local authorities.

A custody battle erupts when Melissa dates the former husband of Joey's girlfriend; Lennox wants to go against Zander's wishes and get a tattoo; Ryder misses attending school.