That '70s Show - Season 2 Episode 16 -

Midge and Bob decide to renew their relationship with a second wedding, and want Donna to write the vows. This is difficult for Donna, since their marriage hasn't been very stable recently. Kelso is worried that the wedding will give Jackie ideas that he just doesn't want to consider. Writing the vows makes Donna come to a decision about the state of her relationship with Eric.