Note for readers: The acclaimed anime series "86—Eighty-Six" consists of two cours (parts). Part 1 covers Episodes 1-11. Part 2 (often listed as "86 Part 2" or "Cour 2") covers Episodes 12-23. There is no official Episode 105. The following article addresses this common search query, explains the confusion, and serves as a definitive review and recap of the actual final arc of the series, which fans often colloquially refer to as the emotional climax of a "long episode 105."
86—Eighty-Six is not a show about giant robots. It is a show about the unbearable weight of memory, the sin of surviving when your friends did not, and the radical, world-breaking power of someone simply saying, "I see you." 86 part 2 episode 105
Given the nature of the series, episode 105 likely features: There is no official Episode 105
There is no "Episode 105" for the anime 86: Eighty-Six , as the series concluded its second part with a total of 23 episodes Final Thoughts
However, based on the phrasing of your request ("86 part 2 episode 105"), you are likely looking for the specific content regarding Episode 23 (the finale of Part 2), or you may be confusing the episode number with a chapter number from the original light novel (Chapter 7/Volume 7 covers the events of the finale).
Final Thoughts