Season Guide
Smallville Season 4
Season 4 Review
⚠ Spoiler alert Season notes below reveal how the story develops.
Season 4 of Smallville aired 2004-2005.
Episodes
1
Lois Lane arrives in town to investigate her cousin Chloe's death and discovers an amnesiac Clark in a cornfield after she veers off the road during a storm. Lois takes…
2
Lois and Clark go to the safe house to investigate Chloe's death and end up running from military men. Later, Lois returns to her cousin's grave and discovers her casket…
3
Clark tries out for football again and learns that Jason is the new assistant coach---but Clark doesn't know Jason is also Lana's boyfriend. Meanwhile, a student gets a bizarre makeover…
4
When two cheerleaders develop a love potion that arouses feelings of extreme devotion and jealousy, it causes a football player to attack Jason for "checking out" his girlfriend and prompts…
5
After a boy with superhuman speed saves Jonathan---and steals his wallet---Clark tracks him down and discovers he's a homeless kid who uses his powers to commit petty crimes. Also, Lex…
6
Clark switches bodies with Lionel after Clark interferes with the exchange of a Kryptonian stone that was meant for an unsuspecting Lex. Consequently, Clark takes Lionel's place in prison, while…
7
Clark accidentally injures another player when foreign-exchange student Mikail Mxyzptlk uses a form of telepathy to make him trip during a big game. As a result, Jonathan wants Clark to…
8
Lana, Lois and Chloe are possessed by the spirits of witches who were burned at the stake in the 17th century. Later, the girls crash a surprise party for Chloe…
9
Lana meets Jason's mom and is surprised to discover that she looks like a woman from a dream she had about Isobel, the 17th-century witch who possessed her. Elsewhere, Lex…
10
The town's residents are infected by a toxin that causes unconsciousness and horrific nightmares when the LuthorCorp plant loses control of the dangerous substance. Meanwhile, Lionel's conviction is overturned, but…
11
A teen with teleportation abilities who was obsessed with Clark is released from the Belle Reve asylum and tracks him down. Though apparently reformed, she manipulates Clark's feelings for her…
12
Lana is attacked at her apartment and Alicia is the prime suspect. Clark believes she's innocent, but later has to accept that she may be guilty when the culprit attacks…
13
Lois is arrested for severely injuring a Metropolis University football player who harassed her. Meanwhile, Clark visits the school on a recruiting trip and discovers scandalous activity involving the team;…
14
Clark takes in a dog with superpowers after Lois accidentally hits the pooch with her car. While looking for its owner, he discovers the dog was part of a LuthorCorp…
15
The day after Dr. Swann dies, Clark receives a note from the professor leading him to a message from Jor-El that instructs him to find two sacred stones. Meanwhile, Jason…
16
Lois's younger sister, Lucy, arrives in town, and Clark learns that she has a shady past when he catches her stealing money from the Talon's register. Also, the ancient stone…
17
A kryptonite-based explosion at the Luthorcorp lab creates an evil clone of Lex, and the sinister twin tries to prevent the process from being reversed by taking drastic measures, which…
18
On the night before the prom, a popular student crashes her car into a kryptonite-filled ravine and her spirit ends up taking over other people's bodies. Elsewhere, the body of…
19
Clark's entire memory ends up getting erased when he confronts a thief who has a kryptonite-based ability to wipe out people's short-term memories. As Clark learns about his life, he's…
20
Lana and Clark take care of a baby they find in a crater and are shocked when he ages seven years right in front of their eyes. They then turn…
21
A teen who has the power to turn people into stone wants to stay in high school forever, so he keeps students captive in a fake school that's built to…
22
The town is evacuated on graduation day in preparation for an impending meteor shower, and Jor-El warns Clark that the entire planet is in danger if the three sacred stones…