Makes a shutout bid

• Bumps, on the air
• Replaces in the TV lineup
• Seizes before someone else can
• Anticipates Forster (initially) to be included in homework, and Eliot similarly
• Denies air to?
• Interrupts, as a TV broadcast
• Appropriates
• Interrupts, as a broadcast

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: preempt )