[s7e20] Sleeper Today

: Episode titled "Changes" involves a lottery winner with partial paralysis.

The "mystery" of Castle's missing months is finally untangled: [S7E20] Sleeper

: Castle was taken on his wedding day because of an old school friend, Bilal, an ex-Al-Qaeda commander attempting to defect. : Episode titled "Changes" involves a lottery winner

: Episode titled "Goodbye, Riverdale" , which served as the series finale. [S7E20] Sleeper

: The urgency was due to a major imminent terror attack, meaning the CIA could not wait for Castle’s wedding to finish. Key Thematic Elements