Season 4
Season 4 brings big changes in the lives of the Halliwell sisters. As they face the loss of a sister, Paige Matthews arrives - half sister to the Halliwells. As Piper and Phoebe cope with the death of their sister, they learn to accept Paige and teach her the ways of witchcraft all while perfecting the use of their own growing powers.
Episodes
1 Charmed Again (1) Oct 4, 2001 
2 Charmed Again (2) Oct 4, 2001 
3 Hell Hath No Fury Oct 11, 2001 
4 Enter the Demon Oct 18, 2001 
5 Size Matters Oct 25, 2001 
6 A Knight to Remember Nov 1, 2001 
7 Brain Drain Nov 8, 2001 
8 Black as Cole Nov 15, 2001 
9 Muse to My Ears Dec 13, 2001 
10 A Paige from the Past Jan 17, 2002 
11 Trial by Magic Jan 24, 2002 
12 Lost and Bound Jan 31, 2002 
13 Charmed and Dangerous Feb 7, 2002 
14 The Three Faces of Phoebe Feb 14, 2002 
15 Marry-Go-Round Mar 14, 2002 
16 The Fifth Halliwell Mar 21, 2002 
17 Saving Private Leo Mar 28, 2002 
18 Bite Me Apr 18, 2002 
19 We're Off to See the Wizard Apr 25, 2002 
20 Long Live the Queen May 2, 2002 
21 Womb Raider May 9, 2002 
22 Witch Way Now? May 16, 2002