The full list looks to be:
Revolutionary Girl Utena (Dub)
Sweet Blue Flowers (Sub)
Aria S1, 2, & 3 (Sub)
Princess Knight (Dub, Eps 1 & 2 Only)
Boogiepop Phantom (Dub)
Dirty Pair TV, OVA, Movies, & Flash (Sub)
Emma S1 & 2 (Sub)
Gakuen Alice (Sub)
His & Her Circumstances (Dub)
Ninja Nonsense (Dub)
1/3
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Irresponsible Captain Tylor (Dub & Sub)
Rental Magica (Sub)
Sound of the Sky (Sub)
Astro Boy (Dub, 1st Ep Only)
El-Hazard: The Wanderers (Dub)
Junjo Romantica S1 & 2 (Sub)
Nadesico (Sub)
The Third (Dub)
Lost Universe (Dub)
Super GALS! (1-26 Dub, 27-52 Sub)
Blessing of the Campanella (Sub)
2/3
1
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18
Princess Nine (Dub & Sub)
Sengoku Collection (Sub)
Space Pirate Mito (Dub & Sub)
Please Teacher! & Twins! (Dub & Sub)
Magic User's Club (Dub & Sub)
Galaxy Angel (Dub & Sub)
Gravitation (Dub)
A.D. Police TV (Dub & Sub, Eps 1 & 2 Only)
3/3

I bet the licenses for a portion of these have expired, too.
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TMS has their anime for free on their YouTube channel generously
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Sure, but for all intents & purposes Nozomi Entertainment isn't a company that exists anymore. It got bought out by Crunchyroll back in 2022 & eventually killed off, yet their YouTube channel is still up & running

As the original post says, it's likely that CR simply forgot that this channel exists
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