Rigsby is thrilled to have Grace back from her training class in Los Angeles on The Mentalist. "Behind the Red Curtain" is the 18th episode of the show's fifth season.

The Mentalist Season 5 Episode 18 Quotes

Lisbon: If you must break the rules, break them on your own time.
Jane: When am I not on my own time?

Lisbon: You're playing with fire.
Jane: There are worse things to play with.