The most popular videocassettes as they appear in Billboard magazine. 1990 Billboard Publications Inc. Reprinted with permission. Videocassette sales1. ``The Little Mermaid' (Disney)
2. ``Step by Step' New Kids on the Block (CBS)
3. ``Teenage Mutant Ninja Turtles: Super Rocksteady' (Family)
4. ``Teenage Mutant Ninja Turtles: Cowabunga Shredhead' (IVE)
5. ``Top Gun' (Paramount)
6. ``Honey, I Shrunk the Kids' (Disney)
7. ``Die Hard' (CBS-Fox)
8. ``New Kids on the Block: Hangin' Tough Live' (CBS)
9. ``Sexy Lingerie II' (HBO)
10. ``Lethal Weapon 2' (Warner-1989) Videocassette rentals
1. ``Steel Magnolias' (RCA-Columbia)
2. ``The War of the Roses' (CBS-Fox)
3. ``Tango and Cash' (Warner)
4. ``Always' (MCA)
5. ``Back to the Future II' (MCA-Universal)
6. ``The Fabulous Baker Boys' (IVE)
7. ``Look Who's Talking' (RCA-Columbia)