When Tony puts both pieces of his bagel in the toaster oven, one piece is sitting slightly on top of the other. A few minutes later when he takes the bagel out, both pieces are sitting neatly next to each other and not touching.
Immediately after the first break in the episode, the driver's licenses for both suspects are shown the the screen. The DL (driver's license) for Joann Allman is shown first. It lists her birth date as 02-06-1980 but the date on her secondary photo in the right corner of the DL incorrectly lists the birth date as 05-02-1979. 48 seconds later, the DL for Angelina Jennings is displayed with her birth date as 05-02-1979. Her secondary photo on the license has the correct date of birth also at 05-02-1979. Joann Allman's DL has Angelina Jenning's birth date imprinted on it.
As the briefing to Gibbs switches from Bishop to DiNozzo, the boom mike is reflected in the black filing cabinet as it is pulled higher for DiNozzo.
The doctor in the VA hospital says that Susan has a 'giloblastoma.' Any oncologist would know that this is pronounced 'glee o blastoma.'