The S Curve is a human AU Series, set in high school in Sunnydale. The primary pairing in this series is Angel/Xander.

2 - Snoopy
3 - Slumber
4 - Sweet Spot
5 - Starlight
6 - Socks
7 - Sleep
8 - Shower
9 - Swimming
10 - Storm
11 - Sweat
12 - Sibling
13 - Skip
14 - Surprise
15 - Summer
16 - Shade
17 - Study
18 - Service
19 - Saturday
20 - Say
21 - Shapes
22 - Scrimmage
23 - Steps
24 - Sports
25 - Sons (and Fathers)
26 - Sacks
27 - Safety
28 - Sister
29 - Scrabble
30 - Supply
30(a?)- Salient
31 - Seasonal 1
32 - Seasonal 2
33 - Scenes from an S Curve Christmas Special
34 - Splits and Spares
35 - Santas
36 - Spring Training
37 - Status
38 - Strings
39 - Shifts
40 - Substitutions
41 - Shindig
42 - Songs I
43 - Songs II
44 - Safe
45 - Saturday, Sleeping In
46 - Swing Shift
47 - Subtle Shifts
48 - Syrup Added
49 - Structure
50 - School Socials 1
51 - School Socials 2
52 - Set-offs
53 - Swimmer's Ear
54 - Shiny
55 - Seasoning 1
56 - Seasoning 2
57 - Seasoning 3
58 - Scraps
59 - Silver 1
60 - Silver 2
61 - Spoons
63 - Sugar
64 - Souls
65 - Scholars
66 - Sinking