Roots: Celebrating 25 Years (7 p.m., Ch. 5): See accompanying story.
Sabrina the Teenage Witch (7 p.m., Ch. 30): Sabrina's evil twin is e-mailing her.
Raising Dad (7:30 p.m., Ch. 30): Emily isn't happy that her dad is dating.
First Monday (8 p.m., Ch. 2): The show moves to its regular timeslot.
Now with Bill Moyers (8 p.m., Ch. 7): The debut of this PBS newsmagazine.
Reba (8 p.m., Ch. 30): Reba's parents celebrate their anniversary.
20/20 (9 p.m., Ch. 4): The show returns to this timeslot.
Law & Order: SVU (9 p.m., Ch. 5): The detectives investigate a double murder and dismemberment.