ABC premieres the crime-comedy-drama television series Castle, created by Andrew Marlowe, starring Nathan Fillion and Stana Katic.
ABC renews Castle for a second season following a successful first season.
Season 3 of Castle premieres on ABC continuing the story of Richard Castle and Detective Kate Beckett.
Fourth season of Castle premieres, further developing character arcs and storylines.
Season 5 of Castle begins airing on ABC.
ABC announces renewal of Castle for its sixth season.
Season 6 of Castle premieres on ABC.
ABC renews Castle for season 7, confirming ongoing popularity.
Season 7 of Castle premieres.
ABC renews Castle for an eighth and final season.
The eighth and final season of Castle premieres on ABC.
The final episode of Castle airs on ABC, concluding the series.
Author Richard Castle begins working with NYPD Detective Kate Beckett on a murder case, sparking their professional and personal relationship.
Castle helps Beckett reopen the investigation into her mother's murder, which becomes a recurring plot throughout the series.
Castle starts shadowing Beckett more closely, moving into her IT office to assist with cases.
After gradually growing closer, Castle and Beckett officially begin a romantic relationship.
Castle is seriously wounded while protecting Beckett, highlighting the dangers of their work.
Castle proposes to Beckett, and she accepts, marking a major milestone in their relationship.
Beckett is shot moments before marrying Castle, causing a major turning point in their storyline.
Despite setbacks, Castle and Beckett marry, culminating their long-term relationship arc.