Between shocking reveals and emotional goodbyes, the final season of  has been an intense ride. And in Season 10, Episode 20 ("Arthur Hudson"), it also proved to be a guest star-filled one. 

As the leader of one of the vastest criminal networks in the world, Raymond Reddington () knows that it takes a village to keep operations afloat. Throughout , we've seen Red dismantle his criminal empire to protect the Task Force, which has led to several tear-jerking goodbyes.

In "Arthur Hudson," Red visited several of his cherished colleagues who have assisted in his criminal operations, and it was a delightful tour-de-force of fan favorites. Not only that, we met Red's longtime pilot, who has been famously off-screen for the entire series. , but not without Red making a few pitstops along the way. 

By the end of "Arthur Hudson," Red has effectively disbanded the Reddington Task Force in an effort to protect Cooper (

) and the agents from the fallout created by the entire operation going belly-up  (Toby Leonard Moore). It is a bittersweet maneuver, but Red knows that the only way he's going to keep his loved ones safe is by uprooting his criminal network and starting anew. 

Before this happened, Red visited his longtime money launderer, Heddie Hawkins (Aida Turturro), to tell her about a recent visit to a Costa Rican bird sanctuary that she once recommended to him.

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