"225"^^ . . . "1"^^ . . "\u2018\u2019Return to Thundera\" is the twentieth episode of ThunderCats (original series)"@en . . "20"^^ . . "Return to Thundera"@en . . . . . "\u2018\u2019Return to Thundera\" is the twentieth episode of ThunderCats (original series)"@en . "1985-10-04"^^ . . . . . . "Return to Thundera"@en . .