Bobby & Laurie their peak in late 1964, busily touring the country and appearing in numerous concert and television performances. They had dozens of engagements and personal appearances every week, with as many as six shows on a Saturday night. One unusual performance was playing 'Tweedledum' and 'Tweedledee' in a Christmas pantomime production of "Alice in Wonderland" at the Tivoli Theatre in Melbourne in December 1964. In early 1965 the pair appeared on the "Teen Scene" music television show on the ABC, where they were famously dragged off the stage by screaming female fans. They appeared in the premiere episode of Channel 0's
Severn Bridge Railway Sharpness. Out of control, it drifted upstream with the tide, passing the bridge; it struck pier 20 on travelling downstream again on the ebb tide. Its entire crew were lost, and damage to the extent of £12,740 was caused to the bridge. Two floating cranes had been brought in to assist with the repair work to the bridge; they were the "Tweedledum" and "Tweedledee". On 14 April 1961 they broke away from their moorings on the flood tide and passed above the bridge, then striking the dolphins of pier 20 on the way down on the following ebb tide. The