Specials
Episodes
1 Naze Nani Dendrogram #0 Aug 23, 2019 
2 Naze Nani Dendrogram #1 Sep 27, 2019 
3 Naze Nani Dendrogram #2 Oct 4, 2019 
4 Naze Nani Dendrogram #3 Oct 11, 2019 
5 Naze Nani Dendrogram #4 Oct 18, 2019 
6 Naze Nani Dendrogram #5 Oct 25, 2019 
7 Naze Nani Dendrogram #6 Nov 1, 2019 
8 Naze Nani Dendrogram #7 Nov 8, 2019 
9 Naze Nani Dendrogram #8 Nov 15, 2019 
10 Naze Nani Dendrogram #9 Nov 22, 2019 
11 Naze Nani Dendrogram #10 Nov 29, 2019 
12 Naze Nani Dendrogram #11 Dec 6, 2019 
13 Naze Nani Dendrogram #12 Dec 13, 2019 
14 Naze Nani Dendrogram #13 Dec 20, 2019 
15 Naze Nani Dendrogram #14 Dec 27, 2019 
16 Naze Nani Dendrogram #15 Jan 3, 2020 
17 Naze Nani Dendrogram #16 Jan 10, 2020 
18 Naze Nani Dendrogram #17 Jan 17, 2020 
19 Naze Nani Dendrogram #18 Jan 24, 2020 
20 Naze Nani Dendrogram #19 Jan 31, 2020 
21 Naze Nani Dendrogram #20 Apr 17, 2020 22 『なぜなにデンドログラム』Blu-ray特別版 第1話 Apr 1, 2020 23 『なぜなにデンドログラム』Blu-ray特別版 第2話 May 13, 2020 24 『なぜなにデンドログラム』Blu-ray特別版 第3話 Jul 1, 2020