<Tr> <Td_colspan="2"> List of Full House episodes </Td> </Tr> <P> Season four of the family sitcom Full House originally aired on ABC from September 21, 1990 to May 3, 1991 . The entire season was directed by Joel Zwick . </P> <P> Starting in season four, Danny realizes that he must start disciplining Michelle . Jesse proposes to Rebecca and they soon become married . Joey's career takes a turn for the better when he is offered a job in Las Vegas to open for Wayne Newton . In the season finale, Rebecca finds out that she is pregnant with twins as Jesse tells her he wants to go on tour with his band . </P> <Ul> <Li> John Stamos as Jesse Katsopolis </Li> <Li> Bob Saget as Danny Tanner </Li> <Li> Dave Coulier as Joey Gladstone </Li> <Li> Candace Cameron as D.J. Tanner </Li> <Li> Jodie Sweetin as Stephanie Tanner </Li> <Li> Mary - Kate and Ashley Olsen as Michelle Tanner </Li> <Li> Lori Loughlin as Rebecca "Becky" Donaldson </Li> </Ul>

When does becky get pregnant on full house
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