47 episodes available for the tv show Smallville

Season 1

1 - Pilot

2 - Metamorphosis

3 - Hothead

4 - X-Ray

5 - Cool

6 - Hourglass

7 - Craving

8 - Jitters

9 - Rogue

10 - Shimmer

11 - Hug

12 - Leech

13 - Kinetic

14 - Zero

15 - Nicodemus

16 - Stray

17 - Reaper

18 - Drone

19 - Crush

20 - Obscura

21 - Tempest

Season 2

1 - Vortex

2 - Heat

3 - Duplicity

4 - Red

5 - Nocturne

6 - Redux

Season 8

18 - Eternal

Season 9

1 - Savior

2 - Metallo

3 - Rabid

7 - Kandor

9 - Pandora

11 - Absolute Justice

18 - Charade

21 - Salvation

Season 10

1 - Lazarus

2 - Shield

3 - Supergirl

4 - Homecoming

5 - Isis

6 - Harvest

7 - Ambush

8 - Abandoned

12 - Collateral

20 - Prophecy

21 - Finale