Where can I watch “Cosmocats” Season 4 Episode 1 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 4 helps you follow the plot and character arcs leading into this episode.

Watch Cosmocats Season 4 Episode 1 Online

“Retour sur Thundera - Partie 1” — Watch "Cosmocats" Season 4 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.

Sep 4, 1989 Season 4 Episode 1 22 min TV-Y7

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Cosmocats Season 4

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Where can I watch "Retour sur Thundera - Partie 1" online?

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Season 4 Episode 1 — Aired on Sep 4, 1989 • runs about 22 minutes.

Written by Peter Lawrence.

Notable cast/guest names in this episode include Larry Kenney, Peter Newman, Earle Hyman, Lynne Lipton.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Cosmocats Season 4 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Les Thundercats quittent la Troisième Terre pour New Thundera, laissant Tygra et Pumyra derrière eux pour surveiller le repaire du chat et la tour des présages. Pendant ce temps, les anciens esprits du mal ressuscitent Mumm-ra, construisant une nouvelle pyramide sur New Thundera.