Comedy about a good-natured fellow whose constant companion is a six-foot tall invisible rabbit. His sister is determined to marry her daughter off and decides to commit her brother to a mental hospital to get him out of the way. Due to a mix-up the sister is committed instead, and it is up to the kindly brother and his imaginary friend to straighten things out!

Harmless tippler Elwood P. Dowd confides in a 6-foot rabbit called Harvey that only he can see.

Seven-year-old Albert has the most wonderful make-believe pal of all--a playful, gentle giant named Bogus. Harriet is an ambitious businesswoman with no time for family. But family is what she gets when newly orphaned Albert is placed in her care. Albert's imaginary friend must work a magic grander than anything he's ever done.

Richard Dunn, a no-hit wonder of a novelist, is sent to Long Island by his wife, who expects him to get cracking on his next novel. Dunn isn't totally alone, though. Along for the ride is a local teen who befriends Richard after he hires her to be a babysitter. His babysitter. Plus, there's Richard's imaginary best friend from childhood, Captain Excellent, a confidante always ready to prod him along toward adulthood, whether Dunn wants it or not.