All three titles are available to stream on the service
Tubi TV has added Black Jack 21, a sequel to the 2004 anime adaptation of Osamu Tezuka’s Black Jack manga, Yoshiaki Okumura’s Japanese anime series Monsuno, and Osamu Dezaki’s 1978 anime film Anime Treasure Island.
Black Jack 21 aired from April to September 2006 on YTV and had 17 episodes.
The 62-episode television anime adaptation of Osamu Tezuka’s Black Jack manga aired from 2004-2006. The now-defunct streaming and crowdfunding platform Anime Sols funded and released the first 26 episodes on DVD with English subtitles. Crunchyroll aired the first 28 episodes with English subtitles. Amazon Prime aired the anime in August 2018 with a new dub.
Monsuno premiered on TV Tokyo in October 2012. The series premiered in the United States on Nicktoons in February 2012. The 52-episode action series revolves around the reawakened Monster DNA finding its way. into the unsuspecting hands of adventurous boys.”Jakks Pacific, Dentsu Entertainment USA, FremantleMedia Enterprises and The Topps Company collaborated on the project
Yoshiaki Okumura (Antique Bakery, Elementhunters) directs the anime at Larx Entertainment. Yuichiro Hayashi (PES: Peace Eco Smile, Sōten Kōro) designed the characters and Shinnosuke (Blue Exorcist, Sorceous Stabber Orphen) composed the music.
Treasure Island is a classic 1978 anime series by Osamu Dezaki based on Robert Louis Stevenson’s classic novel. Discotek Media released the anime on Blu-ray disc in March. The release contains all 26 episodes in 1080p with Japanese audio and English subtitles.
Source: TubiTV (link 2, link 3)