Too Close for Comfort
Season 2 Episode 22 - Don't Shoot the Piano Movers
April's father sends her his baby grand piano, and she takes up Monroe's offer to move it into the apartment with the help of a large friend for $20. This proves to be a big mistake when everyone gets trapped in the apartment just as Muriel begins feeling labor pains and Henry's just-married friend becomes desperate to be reunited with his bride.