In 1996, Mumy and his Lost in Space costar Jonathan Harris were reunited at a Walt Disney convention in Orlando, Florida. Mumy worked again with Harris on the retrospective special Lost In Space: Forever (1998), where they reprised their roles in a scene written by Mumy (Harris rewrote his own lines).
In 1996, Mumy and his Lost in Space co-star Jonathan Harris reunited at a Walt Disney convention in Orlando, Florida.  Mumy worked again with Harris on the retrospective special Lost In Space: Forever (1998), where they reprised their roles in a scene written by Mumy (Harris rewrote his own lines).