Heartwarming / Callan

• There's two moments of heartwarming in the series 2 finale, both involving Meres. Meres actually shows concern and outrage when it appears that The Section has turned on Callan and they knock him out for no reason, and then he shows regret and remorse for having to shoot Callan after the KGB turned Callan Brainwashed and Crazy.
• Callan telling Bishop that Bishop can kill Lonely if he wants, but he'll have to kill Callan first.
• Callan and Lonely's final interaction in the reunion special "Wet Job" is definitely one. After Lonely supplies Callan with a weapon for the final time, Callan gifts him with two gold coins and pre-emptively writes a letter to Lonely's fiancé Mariella, reassuring her that the coins are honestly earned, and that he will be unable to attend their wedding, so as to spare Lonely the embarrassment of having to tell Callan he won't be invited. (Mariella decided it would be best if his jailbird friends weren't present.) After the hell he's been through across the series, it's wonderful to see Lonely have a happy ending, and for his final scene with Callan to be so wholesome.