Smallville
S04E14 Krypto
Lois inadvertently runs over a dog and decides to take it back to the farm for care. Clark soon discovers that the dog possesses super-strength. Delving deeper, he learns the animal was part of a failed LuthorCorp experiment and that criminals are exploiting these dogs to aid in their heists. Meanwhile, Lana is curious about Jason's activities with his mother, prompting Jason to confront Genevieve with some questions of his own.
Season 4 Episodes
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The Hero Heart
Crusade
Gone
Emergency Contacts
Facade
Heartbeats and Deadbeats
Rash Decisions
Devoted
Breathing Lessons
Run
Misdiagnosis Murder
Transference
Vaccinations
Jinx
Temperature's Rising
Spell
Speculum for a Heavyweight
Bound
Bad Liver
Scare
Maternal Mirrors
Unsafe
Jeaneology
Pariah
Skin
Recruit
Love and Let Die
Krypto
Coming Clean
Sacred
Lucy
Prescriptions
Onyx
Seize the Day
Ears, Ho's and Threat
Spirit
Weights and Measures
Blank
The Real World Rittenhouse
Ageless
Identity Crisis
Forever
Quarantine
Commencement