The show Kyoju Tokuso Juspion from 1985 seems to get better as the ratings generally increase as the season progresses. Based on the data provided, the bingeable rating would be 75.
Best Episodes
9.3
S1 E2
Kanashimi no chô denshi sei sakura
9.2
S1 E29
Maddogyaran Shisu! Shikashi Giruza ga...
9.2
S1 E46
Te o Tsunagu Zenginga no Jinrui-tachi
Worst Episodes
7.0
S1E21
Nekkyû Shônen ga Nageru Jisoku Hyakurokujukirometoru no Yûki
7.0
S1E16
Jinrui no Mirai ka? Kyôfu no Kyojû Teikoku
7.6
S1E6
Kodomojû to Kodomotachi
Best Episodes
9.3
S1 E2
Kanashimi no chô denshi sei sakura
9.2
S1 E29
Maddogyaran Shisu! Shikashi Giruza ga...
9.2
S1 E46
Te o Tsunagu Zenginga no Jinrui-tachi
Worst Episodes
7.0
S1E16
Jinrui no Mirai ka? Kyôfu no Kyojû Teikoku
7.0
S1E21
Nekkyû Shônen ga Nageru Jisoku Hyakurokujukirometoru no Yûki