Claim: One Hour in Wonderland, a Walt Disney production, was originally released by the ABC network on December 25, 1950.
Evidence: One Hour in Wonderland is a 1950 television special made by Walt Disney Productions. It was first seen on Christmas Day, 1950, over NBC (4–5 pm in all time zones) for Coca-Cola, and was Walt Disney's first television production. One Hour in Wonderland Walt Disney Productions Disney-ABC Domestic Television (current)
Walt Disney Studios Home Entertainment (home video) NBC December 25, 1950 (1950-12-25)