"""Keep Your Friends Close""--Bull is brought on to help the FBI's case against a hacker whom they believe breached air traffic control at LaGuardia Airport. But when Cable learns that the accused is her friend's husband, she risks breaking the law -- and defying Bull -- to try and prove his innocence, on BULL, Tuesday, Feb. 6 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured: Michael Weatherly as Dr. Jason Bull Photo: CBS ©2018 CBS Broadcasting, Inc. All Rights Reserved"