The New Adventures of Superman
Season 1, Episode 5: The Threat of the Thrutans
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An alien space probe trapped in Earth orbit uses force to try to return to its home galaxy.
All Episodes - Season 1
Episode 1
The Force Phantom
Episode 2
Mermen Of Emor
Episode 3
The Prehistoric Pterodactyls
Episode 4
Merlin's Magic Marbles
Episode 5
The Threat of the Thrutans
Episode 6
The Wicked Warlock
Episode 7
The Chimp Who Made It Big
Episode 8
The Deadly Icebergs
Episode 9
Robot of Riga
Episode 10
The Invisible Raiders
Episode 11
Neolithic Nightmare
Episode 12
The Return of Brainiac
Episode 13
The Magnetic Monster
Episode 14
The Toys of Doom
Episode 15
The Iron Eater
Episode 16
The Ape Army of the Amazon
Episode 17
The Fire Phantom
Episode 18
The Deadly Dish
Episode 19
Insect Raiders
Episode 20
Return of Warlock
Episode 21
The Abominable Ice-Man
Episode 22
The Men from A.P.E.
Episode 23
The Tree Man of Arbora
Episode 24
The Image Maker
Episode 25
Superman's Double Trouble
Episode 26
The Deadly Super-Doll
Episode 27
Lava Men
Episode 28
Luthor Strikes Again
Episode 29
Mission to Planet Peril
Episode 30
The Pernicious Parasite
Episode 31
The Two Faces of Superman
Episode 32
The Imp-Practical Joker
Episode 33
Superman Meets Brainiac
Episode 34
Seeds of Disaster
Episode 35
The Malevolent Mummy
Episode 36
The Bird-Men From Lost Valley