Liz Sagal

Double Trouble is an American sitcom that aired from 1984 to 1985 on NBC. The series stars identical twins Jean and Liz Sagal as Kate and Allison Foster, two teenagers living under the watchful eye of their widowed father. The show was considered an updating of the "twins in mischief" concept seen in films like The Parent Trap or the Patty Duke Show of the 1960s.

A scientific experiment unknowingly brings extraterrestrial life forms to the Earth through a laser beam. First is the cigar smoking drake Howard from the duck's planet. A few kids try to keep him from the greedy scientists and help him back to his planet. But then a much less friendly being arrives through the beam...

Alex Owens, a teen juggling between two odd jobs, aspires to become a successful ballet dancer. Nick, who is her boss and lover, supports and encourages her to fulfil her dream.