Lucille Ball, Desi Arnaz Jr., and Lucie Arnaz in Here's Lucy (1968)

Desi Arnaz Jr., Lucie Arnaz, and Gale Gordon in Here's Lucy (1968)

Lucille Ball and Desi Arnaz Jr. in Here's Lucy (1968)

Antonio Banderas, Armand Assante, and Desi Arnaz Jr. in The Mambo Kings (1992)

Desi Arnaz Jr. and Julie Peasgood in House of the Long Shadows (1983)

"The Lucy Show" Lucille Ball, Desi Arnaz Jr.

Desi Arnaz, Lucille Ball, Desi Arnaz Jr., Lucie Arnaz, and Phil Vandervort

Lucille Ball, Desi Arnaz Jr., and Lucie Arnaz in I Love Lucy (1951)

Lucille Ball, Desi Arnaz Jr., Lucie Arnaz, and Gale Gordon in Here's Lucy (1968)

Automan in Automan, (seen here with Desi Arnaz, Jr.)

"Academy Awards: 45th Annual," Desi Arnaz Jr. , Liza Minnelli, & Vincente.  1973.

"Golden Globe Awards" 1973 Liza Minnelli and Desi Arnaz Jr.

"Academy Awards: 44th Annual," Liza Minnelli and Desi Arnaz Jr.

Desi Arnaz Jr., Wayland Flowers, and Brenda Vaccaro in Lampoon (1974)

Lucille Ball, Desi Arnaz Jr., and Lucie Arnaz

Lucille Ball, Desi Arnaz Jr., and Lucie Arnaz in Lucy Meets the Burtons (1970)

Desi Arnaz Jr., Jimmy Baio, and Greg Evigan in Matlock (1986)

Sian Barbara Allen and Desi Arnaz Jr. in Billy Two Hats (1974)

Gregory Peck and Desi Arnaz Jr. in Billy Two Hats (1974)

Christopher Lee, John Carradine, Peter Cushing, Vincent Price, Desi Arnaz Jr., Sheila Keith, and Julie Peasgood in House of the Long Shadows (1983)

Desi Arnaz Jr. in House of the Long Shadows (1983)

Carol Burnett, Geraldine Chaplin, Mia Farrow, Howard Duff, and Desi Arnaz Jr. in A Wedding (1978)