To celebrate sweeps, the stars of your favorite ABC shows will be participating in live Twitter chats starting Saturday, February 9 through Friday, February 15. Castle's Penny Johnson Jerald will be tweeting during tonight's Valentine's Day episode, "Reality Star Struck."
Follow Penny Johson Jerald
February 11 from 10-11 p.m. ET:
Use: “Castle,” @Castle_ABC, #Castle