Watch Season 10 Full Episodes Online
Season 10, Episode 20 - Air Date: 5/6/2011
"Prophecy"
In the penultimate episode of Smallville, Clark takes Lois to the Fortress to get Jor-El's blessing for their marriage.
Season 10, Episode 19 - Air Date: 4/29/2011
"Dominion"
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.
Season 10, Episode 18 - Air Date: 4/22/2011
"Booster"
Ready to meet Booster Gold? Smallville introduces this character this week. He's played by Eric Martsolf.
Season 10, Episode 17 - Air Date: 4/15/2011
"Kent"
This return episode takes place in an alternate world. It features the return of Jonathan Kent.
Season 10, Episode 16 - Air Date: 3/4/2011
"Scion"
It's Lionel vs. Tess this week! They battle over the Luthor name.
Season 10, Episode 15 - Air Date: 2/25/2011
"Fortune"
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.
Season 10, Episode 14 - Air Date: 2/18/2011
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.
Season 10, Episode 13 - Air Date: 2/11/2011
"Beacon"
Lois and Martha have it out on national TV this week. Elsewhere, Lionel reveals himself to the world.
Season 10, Episode 12 - Air Date: 2/4/2011
Chloe is back! A long-time Smallville character makes her return on the show's 2011 premiere.
Season 10, Episode 11 - Air Date: 12/10/2010
"Icarus"
Hawkman and Star Girl are back! These characters return on an episode that also involves Oliver getting attack.
Season 10, Episode 10 - Air Date: 12/3/2010
"Luthor"
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.
Season 10, Episode 9 - Air Date: 11/19/2010
"Patriot"
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.
Season 10, Episode 8 - Air Date: 11/12/2010
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.
Season 10, Episode 7 - Air Date: 11/5/2010
"Ambush"
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.
Season 10, Episode 6 - Air Date: 10/29/2010
"Harvest"
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.
Season 10, Episode 5 - Air Date: 10/22/2010
"Isis"
Lois accidentally turns herself into the goddess Isis on this episode. Oops! Cat Grant witnesses Lois using these new powers.
Season 10, Episode 4 - Air Date: 10/15/2010
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.
Season 10, Episode 3 - Air Date: 10/8/2010
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.
Season 10, Episode 2 - Air Date: 10/1/2010
"Shield"
The Daily Planet hires a reporter named Kat Grant on this episode. Elsewhere, Carter Hall shows up in Egypt.
Season 10, Episode 1 - Air Date: 9/24/2010
"Lazarus"
Smallville kicks off its final season with this episode. It features the return of John Schneider as Jonathan Kent.
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