1977 is the only warp zone in Chapter 2: The Hospital (Dark), and is accessible through Level 2-5x, Agent Orange. It contains a bandage on the first and third stages.
This warp zone is composed mainly of bright, flashing lights, which may actually disorient or confuse you while attempting to complete it.
In the first stage you must pass through 3 sets of collapsible walls to get to Bandage Girl. The best strategy is to take out the upper blocks, then stand on and jump off of the lower ones.
The following stages require you to dodge small, flashing projectiles-- with proper timing you can easily maneuver past them, and beat the warp zone.