Christopher Reeve state funds to stem cell research. Proposition 71 was approved less than one month after Reeve's death. On February 25, 2003, Reeve appeared in the television series "Smallville" as Dr. Swann in the episode "Rosetta". In that episode, Dr. Swann brings to Clark Kent (Tom Welling) information about where he comes from and how to use his powers for the good of mankind. The scenes of Reeve and Welling feature music cues from 1978's "Superman: The Movie", composed by John Williams and arranged by Mark Snow. At the end of this episode, Reeve and Welling appeared in a short spot
Superman IV: The Quest for Peace the box office. It ended up with a total domestic gross of $15,681,020. Of the four Superman films starring Reeve, "The Quest for Peace" fared the worst at the box office, and the series went dormant for the following nineteen years. Reeve regretted his decision to be involved in the film, saying, ""Superman IV" was a catastrophe from start to finish. That failure was a huge blow to my career." Plans were made to make a "Superman V", but they never came to fruition. Reeve's 1995 paralysis made any further development of sequels involving him in the starring role impossible.