Weekly Shonen Jump 1980 Issue 20

# Diff Title 13 14 15 16 17 18 19 20 Avg.
1 - Dr. Slump 4 2 4 2 1 4 4 3 3.0 (+0.1)
2 - Kinnikuman 2 4 2 6 4 2 6 10 4.5 (+0.7)
3 -1 Tennis Boy 5 8 7 1 6 7 5 4 5.4 (-0.5)
4 +1 Ring ni Kakero 1 7 5 7 5 9 7 5 5.8 (±0.0)
5 - Susume!! Pirates 9 6 6 4 - 6 8 6 6.4 (±0.0)
6 -1 Izumi-chan Graffiti 6 5 11 8 7 5 10 9 7.6 (+0.2)
7 +1 Ricky Typhoon 7 10 10 10 2 8 9 7 7.9 (+0.8)
8 - Kochira Katsushika-ku Kameari Koen-mae Hashutsujo (Kochikame) 14 9 8 5 10 1 11 11 8.6 (-0.2)
9 - Cobra 12 1 13 12 - - 13 12 10.5 (-0.2)
10 - Diamond Star 11 11 9 13 13 13 14 13 12.1 (+0.3)
11 - Go Shoot 16 14 1 15 12 11 15 14 12.3 (±0.0)
New Serialization
- - Otoko no Tabidachi: Wild Adventure - - - - - - 1 2 1.5
- - Deguchi Kyodai Funsenki - - - - - - - 1 1.0

1980 Issue 20 Chapters

# Manga Title Chapter Title (JP)
1 Deguchi Kyodai Funsenki Start Lead Color ●ロック少年団!?の巻
2 Otoko no Tabidachi: Wild Adventure Color ●海の牙の巻
3 Dr. Slump ★宇宙からの侵略者の巻
4 Tennis Boy ●タイ・ブレーク・ゲームの巻
5 Ring ni Kakero Color ●悪夢の中で・・・の巻
6 Susume!! Pirates パイレーツ変身す!の巻前編
7 Ricky Typhoon ★将軍のやかたの巻
8 - One-shot
9 Izumi-chan Graffiti ●雄作くんへの巻●
10 Kinnikuman 決勝シリーズPARTⅣ雪の中の水入りの巻
11 Kochira Katsushika-ku Kameari Koen-mae Hashutsujo (Kochikame) ●両津大明神!?の巻
12 Cobra 雪上の決戦の巻
13 Diamond Star 1点勝負だ!の巻
14 Go Shoot End ★サッカーバカの巻

Source: Created by editing, modifying, and supplementing data from Japan's Agency for Cultural Affairs "Media Arts Database (Beta Version)" (https://mediaarts-db.bunka.go.jp/)