![Blue Bloods](https://tv-fanatic-res.cloudinary.com/iu/s--LJpMfWoW--/c_fill,h_315,w_851/d_tv-fanatic-placeholder-square.png,f_auto,fl_lossy,q_75/v1421782005/banner/blue-bloods.jpg)
Blue Bloods
Fridays 10:00 PM on CBSWatch Blue Bloods Season 4 Online
Watch Blue Bloods Season 4 full episodes online, free and paid options via our partners and affiliates.
![Reagan Family Dinner](https://tv-fanatic-res.cloudinary.com/iu/s--hL0vZQSs--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1399053510/reagan-family-dinner.jpg)
On the Blue Bloods season 4 finale, Danny stumbles upon a case in which the implications of internal involvement set off alarm bells for Frank.
![Frank Goes All Out](https://tv-fanatic-res.cloudinary.com/iu/s--8BHFKhEl--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398975199/frank-goes-all-out.jpg)
A cop from Danny's squad is killed and Frank finds out something unexpected about the man's personal life. Nicky asks Jamie for help finding a friend living on the streets on Blue Bloods.
![Erin's Difficult Case](https://tv-fanatic-res.cloudinary.com/iu/s--HzwzNIpN--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1398292811/erins-difficult-case.jpg)
Frank is unhappy when Erin is assigned the case of a cop accused of killing a suspect in his custody on Blue Bloods.
![A Murdered Professor](https://tv-fanatic-res.cloudinary.com/iu/s--HYKjd2Ya--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1396995414/a-murdered-professor.jpg)
Danny finds out that the District Attorney's office in investigating him for ethical and procedural violations and that his father knew and failed to tell him on Blue Bloods.
![Speed Dating](https://tv-fanatic-res.cloudinary.com/iu/s--NeBznFll--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1396562310/speed-dating.jpg)
Danny and Baez must figure out what happened when a woman dies soon after undergoing secret plastic surgery while Frank puts Jamie on an off the books case on Blue Bloods.
![An Unexpected Knockout](https://tv-fanatic-res.cloudinary.com/iu/s--fk5oAa8L--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1394661383/an-unexpected-knockout.jpg)
Danny and Baez investigate a when an expectant mother finds herself of the victim of a knockout game on Blue Bloods.
![Field Trip](https://tv-fanatic-res.cloudinary.com/iu/s--eDvtBjhQ--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1393726604/field-trip.jpg)
Danny scrambles to find a woman who calls him to say she's going to kill the drunk driver who killed her parents and then herself on Blue Bloods.
![A Missing Child](https://tv-fanatic-res.cloudinary.com/iu/s--SMTT_uFy--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1393003810/a-missing-child.jpg)
The investigation into a missing girl brings back difficult memories for Danny who worked a similar case that he failed to solve on Blue Bloods.
![Murder of a Drag Queen](https://tv-fanatic-res.cloudinary.com/iu/s--3yaFWjei--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1391131202/murder-of-a-drag-queen.jpg)
Danny and Baez investigate when a drag queen from a reality TV show is found murdered in a park. Meanwhile Erin is abducted by a man's mother just before his trial on Blue Bloods.
![A Deadly Rooftop](https://tv-fanatic-res.cloudinary.com/iu/s--9comq13G--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1389920887/a-deadly-rooftop.jpg)
Danny thinks a Marine who beat his wife and kidnapped his son is suffering from PTSD on Blue Bloods.
![Frank Does Anything Necessary](https://tv-fanatic-res.cloudinary.com/iu/s--_Q7JvLX5--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1389294522/frank-does-anything-necessary.jpg)
When a deadly new type of heroin hits the streets, Danny goes after the distributor, Frank takes on another route on Blue Bloods.
![Danny's Difficult Position](https://tv-fanatic-res.cloudinary.com/iu/s--3XwHzsCT--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1387413459/dannys-difficult-position.jpg)
Danny has to investigate a childhood friend who now has ties to the mob on Blue Bloods.
![An Uncooperative Community](https://tv-fanatic-res.cloudinary.com/iu/s--MppFDSig--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1386806816/an-uncooperative-community.jpg)
Danny and Baez meet with resistance while investigating a bombing. Frank deals with the fallout after a man punches an officer he feels was aggressive on Blue Bloods.
![Her Brother's Keeper](https://tv-fanatic-res.cloudinary.com/iu/s--0HuGy9vh--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1385080107/her-brothers-keeper.jpg)
Danny and Baez investigate a murder where the prime suspect turns out to be her brother on Blue Bloods.
![Who Was the Target?](https://tv-fanatic-res.cloudinary.com/iu/s--6_vTtrv6--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1384475836/who-was-the-target.jpg)
Danny serves on a jury and finds that he disagrees with most of the jurors on the case while Frank gets a little too close to a hit on a mob lawyer on Blue Bloods.
![Excessive Force](https://tv-fanatic-res.cloudinary.com/iu/s--UpLoHCj0--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1383865307/excessive-force.jpg)
An accusation of excessive force has the mayor threatening to charge an Officer with murder on Blue Bloods.
![Jamie's Future](https://tv-fanatic-res.cloudinary.com/iu/s--Bph_E2BG--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1383268900/jamies-future.jpg)
Jamie's conduct is called into question when a gang member he chased is injured and Danny's ex-girlfriend returns to cause trouble on Blue Bloods.