Watch Smallville Season 10 full episodes online, free and paid options via our partners and affiliates.

At the Altar
Watch Smallville Season 10 Episode 21
"Finale Part I"
Original Air Date:

Clark is ready to take the last step toward becoming the Man of Steel. Are you ready to bid farewell to Smallville?

The Prophecy
Watch Smallville Season 10 Episode 20
"Prophecy"
Original Air Date:

In the penultimate episode of Smallville, Clark takes Lois to the Fortress to get Jor-El's blessing for their marriage.

Dominion Pic
Watch Smallville Season 10 Episode 19
"Dominion"
Original Air Date:

Tess learns that General Slade was found unconscious on a street corner, proof that someone has gained access to the Phantom Zone's escape portal and sent him back.

Booster Gold Photo
Watch Smallville Season 10 Episode 18
"Booster"
Original Air Date:

Ready to meet Booster Gold? Smallville introduces this character this week. He's played by Eric Martsolf.

Return of  Jonathan Kent
Watch Smallville Season 10 Episode 17
"Kent"
Original Air Date:

This return episode takes place in an alternate world. It features the return of Jonathan Kent.

Tess and Lionel
Watch Smallville Season 10 Episode 16
"Scion"
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It's Lionel vs. Tess this week! They battle over the Luthor name.

Chloe vs. Fortune
Watch Smallville Season 10 Episode 15
"Fortune"
Original Air Date:

Zatanna drugs Lois and Clark this week. Look for Lois and Oliver to then run into a casino owner who accuses them of stealing money.

Chloe and Clark Photo
Watch Smallville Season 10 Episode 14
"Masquerade"
Original Air Date:

Chloe and Oliver get kidnapped this week, while the former is in danger of being infected with darkness. Elsewhere, Lois suggests a disguise for Clark.

Interesting TV
Watch Smallville Season 10 Episode 13
"Beacon"
Original Air Date:

Lois and Martha have it out on national TV this week. Elsewhere, Lionel reveals himself to the world.

Return of Chloe
Watch Smallville Season 10 Episode 12
"Collateral"
Original Air Date:

Chloe is back! A long-time Smallville character makes her return on the show's 2011 premiere.

Smallville Proposal
Watch Smallville Season 10 Episode 11
"Icarus"
Original Air Date:

Hawkman and Star Girl are back! These characters return on an episode that also involves Oliver getting attack.

Return of Lionel
Watch Smallville Season 10 Episode 10
"Luthor"
Original Air Date:

Lionel Luthor is back! John Glover reprises this role on Smallville, as Clark gets transported to a parallel universe where this character is found with him in the cornfields, instead of the Kents.

Return of Aquaman
Watch Smallville Season 10 Episode 9
"Patriot"
Original Air Date:

Aquaman and his wife return to Smallville this week. Michael Hogan also guest stars as Colonel Slade, while Oliver registers for the Vigilante Registration Act.

Lindsay Hartley as Harriet
Watch Smallville Season 10 Episode 8
"Abandoned"
Original Air Date:

Teri Hatcher appears this week as Ella Lane. She makes a major impression on Lois. Meanwhile, Clark and Tess look into a mysterious orphanage with ties to the latter's past.

The General Visits
Watch Smallville Season 10 Episode 7
"Ambush"
Original Air Date:

Surprise! General and Lucy Lane stop by for Thanksgiving dinner on this episode of The CW hit. The vigilante registration law becomes an issue between Lois' father and Clark.

Lois Lane Shot
Watch Smallville Season 10 Episode 6
"Harvest"
Original Air Date:

Clark and Lois get stranded in the middle of nowhere on this episode of Smallville. Elsewhere, Tess is in search of a cure for Alexander because he's rapidly aging.

As The Green Arrow
Watch Smallville Season 10 Episode 5
"Isis"
Original Air Date:

Lois accidentally turns herself into the goddess Isis on this episode. Oops! Cat Grant witnesses Lois using these new powers.

As Brainiac
Watch Smallville Season 10 Episode 4
"Homecoming"
Original Air Date:

It's the 200th episode of Smallville! On this monumental installment, James Marsters returns as the character of Brainiac,as Clark attends his high school reunion.

As Kara
Watch Smallville Season 10 Episode 3
"Supergirl"
Original Air Date:

This episode is titled "Supergirl" for a reason. Laura Vandervoort returns and her character tells Clark she was sent by Jor El in order to stop the dark force that is on the way.

In Egypt
Watch Smallville Season 10 Episode 2
"Shield"
Original Air Date:

The Daily Planet hires a reporter named Kat Grant on this episode. Elsewhere, Carter Hall shows up in Egypt.

As Jonathan Kent
Watch Smallville Season 10 Episode 1
"Lazarus"
Original Air Date:

Smallville kicks off its final season with this episode. It features the return of John Schneider as Jonathan Kent.

Smallville Season 10 Quotes

Just like me, you are your own worst enemy.

Clex

Lois [looking at the Super suit)]: So much better in technicolor.

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