During the celebration of Passover night which by Sephardi Jews is called the Haggadá (Ashkenazi Jews call it the Passover "Seder"), one of the events is the Four Questions. See here a video of these Four Questions according to Sephardi tradition:
The First Day of Passover:
The Second Day of Passover:
On the Intermediate Days of Pesach (חול המועד) a shortened version of the Hallel is recited:
On the Seventh Day of Pesach, a shortened version of the Hallel is recited:
On the Eighth Day of Pesach, a shortened version of the Hallel is recited: