On NCIS Season 20 Episode 10, agents attend the retirement party of a beloved Federal Law Enforcement Training Center professor and then investigate his suicide.

On NCIS Season 20 Episode 3, when a body is found at an ancient burial site that is thought to be cursed, the team tries to determine the symbolism of the crime.

On NCIS Season 20 Episode 1, following the finale, with Parker and Vivian on the run, the team investigates who from his past might have a vendetta against him.