2x01: Judgment

Angel accidentally kills the protector of a pregnant woman and has to protect her instead.

2x02: Are You Now or Have You Ever Been

Angel tries to destroy a Paranoia-demon he almost killed 50 years ago.

2x03: First Impressions

While Cordy tries to protect Gunn from himself, Angel is tormented by sex-dreams.

2x04: Untouched

Angel tries to help a girl with telekinesis who was sexually abused by her father.

2x05: Dear Boy

Angel's dreams become more vivid and he becomes obsessed with Darla.

2x06: Guise Will Be Guise

While Angel tries to find his new path, Wesley goes undercover as Angel.

2x07: Darla

Angel is desperately trying to save Darla; flashbacks reveal more of their relationship.

2x08: The Shroud Of Rahmon

Angel goes undercover on a dangerous case involving a shroud that makes people go crazy.

2x09: The Trial

Angel goes under trials to fight for Darla's life.

2x10: Reunion

Drusilla sires Darla and Angel tries to figure out a way to stop them.

2x11: Redefinition

Angel is going darker, and his old crew try to find a new path.

2x12: Blood Money

Angel is still trying to bring down Wolfram & Heart and meets a girl named Anne.

2x13: Happy Anniversary

Angel and The Host try to stop a man from ending the world.

2x14: The Thin Dead Line

Someone is putting zombie cops on the streets.

2x15: Reprise

Angel is determined to take out Wolfram & Hart; but makes a surprising discovery.

2x16: Epiphany

Angel had an epiphany after sleeping with Darla, and decides to make amends.

2x17: Disharmony

Cordelia's old friend Harmony is in town.

2x18: Dead End

Lindsey recieved a new hand from Wolfram & Hart, but his new hand has the urge to kill.

2x19: Belonging

A creature from another dimension comes to LA.

2x20: Over The Rainbow

Cordy is stuck in another dimension where she is believed to have a curse.

2x21: Through The Looking Glass

Angel saves a girl named Winifred who has been living on Pylea for five years.

2x22: There's No Place Like Plrtz Glrb

The gang tries to overthrow the Pylean-government and find a way back home.

Much superior to Season 1, although the regular episodes are not nearly as strong as the arc-y episodes.

Favorites:
Are You Now or Have You Ever Been
Dear Boy
Darla
The Trial
Reunion
Redefinition
The Thin Dead Line
Reprise
Epiphany
Disharmony
Dead End
Over The Rainbow
Through The Looking Glass
There's No Place Like Plrtz Glrb

So many favorites, but Darla, The Trial and Reprise are among my favorite episodes ever.

Current Ranking:
1. The Prodigal
2. Darla
3. Reprise
4. Are You Now Or Have You Ever Been?
5. Reunion
6. Redefinition
7. Dead End
8. Through The Looking Glass
9. Epiphany
10. Dear Boy
11. Over The Rainbow
12. There's No Place Like Plrtz Glrb
13. Disharmony
14. The Thin Dead Line
15. Belonging
16. Judgment
17. First Impressions
18. The Shroud Of Rahmon
19. Guise Will Be Huise
20. Happy Anniversary
21. Untouched
22. Blood Money