Smallville Episode Guide

Season 1
101 - Pilot (16 Oct 01)
102 - Metamorphosis (23 Oct 01)
103 - Hothead (30 Oct 01)
104 - X-Ray (6 Nov 01)
105 - Cool (13 Nov 01)
106 - Hourglass (20 Nov 01)
107 - Craving (27 Nov 01)
108 - Jitters (11 Dec 01)
109 - Rogue (15 Jan 02)
110 - Shimmer (29 Jan 02)
111 - Hug (5 Feb 02)
112 - Leech (12 Feb 02)
113 - Kinetic (26 Feb 02)
114 - Zero (12 Mar 02)
115 - Nicodemus (19 Mar 02)
116 - Stray (16 Apr 02)
117 - Reaper (23 Apr 02)
118 - Drone (30 Apr 02)
119 - Crush (7 May 02)
120 - Obscura (14 May 02)
121 - Tempest (21 May 02)

Season 2
201 - Vortex (24 Sep 02)
202 - Heat (1 Oct 02)
203 - Duplicity (8 Oct 02)
204 - Red (15 Oct 02)
205 - Nocturne (22 Oct 02)
206 - Redux (29 Oct 02)
207 - Lineage ( 5 Nov 02)
208 - Ryan (12 Nov 02)
209 - Dichotic (19 Nov 02)
210 - Skinwalker (26 Nov 02)
211 - Visage (14 Jan 03)
212 - Insurgence (21 Jan 03)
213 - Suspect (28 Jan 03)
214 - Rush (4 Feb 03)
215 - Prodigal ( 11 Feb 03)
216 - Fever (18 Feb 03)
217 - Rosetta ( 25 Feb 03)
218 - Visitor (15 Apr 03)
219 - Precipice ( 22 Apr 03)
220 - Witness (29 Apr 03)
221 - Accelerate ( 6 May 03)
222 - Calling (13 May 03)
223 - Exodus (20 May 03)

Season 3
301 - Exile (1 Oct 03)
302 - Phoenix (8 Oct 03)
303 - Extinction (15 Oct 03)
304 - Slumber (22 Oct 03)
305 - Perry (29 Oct 03)
306 - Relic (5 Nov 03)
307 - Magnetic (12 Nov 03)
308 - Shattered (19 Nov 03)
309 - Asylum (14 Jan 04)
310 - Whisper (21 Jan 04)
311 - Delete (28 Jan 04)
312 - Hereafter (4 Feb 04)
313 - Velocity (11 Feb 04)
314 - Obsession (18 Feb 04)
315 - Resurrection (25 Feb 04)
316 - Crisis (3 Mar 04)
317 - Legacy (14 Apr 04)
318 - Truth (21 Apr 04)
319 - Memoria (28 Apr 04)
320 - Talisman (5 May 04)
321 - Forsaken (12 May 04)
322 - Covenant (19 May 04)

Season 4
401 - Crusade (22 Sep 04)
402 - Gone (29 Sep 04)
403 - Facade (6 Oct 04)
404 - Devoted (13 Oct 04)
405 - Run (20 Oct 04)
406 - Transference (27 Oct 04)
407 - Jinx (3 Nov 04)
408 - Spell (10 Nov 04)
409 - Bound (17 Nov 04)
410 - Scare (1 Dec 04)
411 - Unsafe (26 Jan 05)
412 - Pariah (2 Feb 05)
413 - Recruit (9 Feb 05)
414 - Krypto (16 Feb 05)
415 - Sacred (23 Feb 05)
416 - Lucy (2 Mar 05)
417 - Onyx (13 Apr 05)
418 - Spirit (20 Apr 05)
419 - Blank (27 Apr 05)
420 - Ageless (4 May 05)
421 - Forever (11 May 05)
422 - Commencement (18 May 05)

Other Episodes
Pilot - UNAIRED - First Pilot