Ryan, don't worry about Albert's take on English.
If you really want to know, this is how the conversation is flowing:
Doof: "I never like Albert's events. But I'll most likely be making an appearance. First, though, I must check my schedule and make sure I don't already have plans for that day."
ShengBert: "What do you mean, other plans? THESE should be your only plans! If they're not your only plans, then cancel or reschedule what you had planned for that day, and come along to this event, or else..."