Criminal Minds - Season 10 -

: Episode 19, titled "Beyond Borders," serves as the backdoor pilot for the second spin-off series, Criminal Minds: Beyond Borders , starring Gary Sinise .

: Jennifer Love Hewitt joins the cast as Kate Callahan , an undercover agent who becomes a permanent member of the BAU for the duration of the season . Criminal Minds - Season 10

deals with guilt regarding her shooting of an UnSub in the previous season finale . : Episode 19, titled "Beyond Borders," serves as

: The episode "Nelson's Sparrow" (Episode 13) commemorates 10 years of the show. It includes flashbacks to a younger Rossi and Gideon working on a case together . Personal Character Arcs : : The episode "Nelson's Sparrow" (Episode 13) commemorates

Criminal Minds Season 10 features several key developments, including a , a major spin-off pilot , and a milestone episode celebrating the series' history . Key Features of Season 10