The Thundercats briefly show Lion-O how the time capsule they recovered from the caveman works. Curious to see more, Lion-O activates it during his night-time watch, and gets caught in its projection rays. The rays send him back in time to Thundera, just before the final tremor that destroyed the planet. Meanwhile, the Mutants have built an evil robot monster that is destroying Cats' Lair. Back on Thundera, Lion-O encounters his father, Claudus, and saves him from a Mutant attack. In return, Claudus gives Lion-O the plans to the robot that was attacking the Thundercats in his own time.
| Title | ThunderCats - Season 1 Episode 20 Return to Thundera |
|---|---|
| Year | 1989 |
| Genre | Animation, Sci-Fi & Fantasy, Action & Adventure, Kids |
| Country | United States of America, Japan |
| Studio | Syndication |
| Cast | Larry Kenney, Peter Newman, Earle Hyman, Lynne Lipton, Earl Hammond, Bob McFadden |
| Crew | Jules Bass (Executive Producer), Bernard Hoffer (Music), Arthur Rankin, Jr. (Executive Producer), Tsuguyuki Kubo (Character Designer), Minoru Nishida (Character Designer), Masaki Îzuka (Executive In Charge Of Production) |
| Alternative Titles | ThunderCats, ThunderCats (1985), Thundercats.-, Θάντερκατς, Οι Αίλουροι του Διαστήματος, 무적의 왕자 라이온, Los Felinos Cósmicos, ThunderCats, os Super-Gatos, ThunderCats (1985) |
| Keyword | cat, sword, pyramid, magic, mummy, future, high technology, post-apocalyptic future, clairvoyance, space, super speed, anthropomorphism, mutants, spaceship, good versus evil |
| First Air Date | Jan 23, 1985 |
| Last Air date | Sep 29, 1989 |
| Season | 4 Season |
| Episode | 130 Episode |
| Runtime | 22:14 minutes |
| Quality | HD |
| IMDb: | 8.22/ 10 by 997.00 users |
| Popularity | 82.453 |
| Language | English |
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