Party Crashers
S9, E1: When Hetty submits her retirement papers and leaves, Shay Mosley arrives to take control and make some staffing changes. Sam thinks that Callen should look for a new partner.

S9, E1: When Hetty submits her retirement papers and leaves, Shay Mosley arrives to take control and make some staffing changes. Sam thinks that Callen should look for a new partner.