S10 E20 Chasing Ghosts
A navy reservist returns home to find her husband missing.
S10 E21 Berlin
Tony and Ziva head to Berlin to track her father's killer.
S11 E9 Gut Check
A bug is found in a pen used by the Secretary of the Navy.
S11 E2 Sugar
The team investigate when a body is found in a suitcase.
S11 E3 Solitary
Benson and Stabler investigate an ex-convict.